Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationAny nonzero number raised to the power 0 equals 1, by definition.
AntonymsGMATGREMathematicsPractice Set
2
What is the antonym of 'inexorable'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
3
What is the antonym of 'taciturn'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
4
Which is greater: 5^2 or 4^6?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation5^2 = 25 and 4^6 = 4096, so 4^6 is greater.
AntonymsGMATGREMathematicsPractice Set
5
What is the antonym of 'craven'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
6
What is the antonym of 'afraid'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
7
Which is greater: 6.5 × 10^9 or 3.6 × 10^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 6.5 × 10^9 is greater.
AntonymsGMATGREMathematicsPractice Set
8
What is the antonym of 'patrician'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
9
Which is greater: 4.4 × 10^9 or 2.0 × 10^4?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 4.4 × 10^9 is greater.
AntonymsGMATGREMathematicsPractice Set
10
What is the antonym of 'pious'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
— Sponsored —
11
What is the antonym of 'tall'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
12
What is the antonym of 'educated'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
13
What is the antonym of 'appease'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
14
Which is greater: 5^3 or 2^6?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation5^3 = 125 and 2^6 = 64, so 5^3 is greater.
AntonymsGMATGREMathematicsPractice Set
15
Express 1,800,000 in scientific notation.
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMove the decimal point so only one nonzero digit remains before it: 1,800,000 = 1.8 × 10^6.
AntonymsGMATGREMathematicsPractice Set
16
What is 9.8 × 10^6 written as an ordinary number?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation9.8 × 10^6 means moving the decimal point 6 places to the right, giving 9,800,000.
AntonymsGMATGREMathematicsPractice Set
17
What is the antonym of 'fabulist'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
18
What is the antonym of 'customary'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
19
What is 9.7 × 10^4 written as an ordinary number?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation9.7 × 10^4 means moving the decimal point 4 places to the right, giving 97,000.
AntonymsGMATGREMathematicsPractice Set
20
What is 10^4 × 10^1 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers of 10, add the exponents: 10^4 × 10^1 = 10^5.
AntonymsGMATGREMathematicsPractice Set
— Sponsored —
21
Simplify: 2^10 ÷ 2^4
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen dividing powers with the same base, subtract the exponents: 2^10 ÷ 2^4 = 2^(10-4) = 2^6.
AntonymsGMATGREMathematicsPractice Set
22
What is the antonym of 'condign'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
23
What is the antonym of 'aggrieve'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
24
What is the antonym of 'prosaic'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
25
What is the antonym of 'sterile'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
26
Simplify: 2^4 × 2^7
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers with the same base, add the exponents: 2^4 × 2^7 = 2^(4+7) = 2^11.
AntonymsGMATGREMathematicsPractice Set
27
What is the antonym of 'arcane'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
28
Simplify √136 to its simplest radical form.
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation136 = 2^2 × 34, so √136 = 2√34.
AntonymsGMATGREMathematicsPractice Set
29
What is (9.0 × 10^7) × (4.5 × 10^7) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMultiply the mantissas (9.0 × 4.5 = 40.5) and add the exponents (7 + 7 = 15), adjusting so the mantissa stays between 1 and 10: 4.05 × 10^15.
AntonymsGMATGREMathematicsPractice Set
30
What is the antonym of 'tired'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
— Sponsored —
31
Which is greater: 6.6 × 10^7 or 5.0 × 10^2?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 6.6 × 10^7 is greater.
AntonymsGMATGREMathematicsPractice Set
32
What is the antonym of 'candour'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
33
Simplify: (2^2)^5
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen raising a power to another power, multiply the exponents: (2^2)^5 = 2^(2×5) = 2^10.
AntonymsGMATGREMathematicsPractice Set
34
What is the antonym of 'elate'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
35
What is (8.7 × 10^3) × (1.6 × 10^4) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMultiply the mantissas (8.7 × 1.6 = 13.92) and add the exponents (3 + 4 = 8), adjusting so the mantissa stays between 1 and 10: 1.39 × 10^8.
AntonymsGMATGREMathematicsPractice Set
36
What is the antonym of 'excellent'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
37
What is the antonym of 'enervation'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
38
What is the antonym of 'avarice'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
39
What is the value of (6 × 7)^3?
Arithmetic - Powers and Roots (Exponents, Scienti…
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMove the decimal point so only one nonzero digit remains before it: 66,000 = 6.6 × 10^4.
AntonymsGMATGREMathematicsPractice Set
— Sponsored —
41
What is the antonym of 'verbose'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
42
What is the antonym of 'hypocritical'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
43
What is (8.4 × 10^9) ÷ (3.6 × 10^3) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationDivide the mantissas (8.4 ÷ 3.6 ≈ 2.33) and subtract the exponents (9 − 3 = 6), adjusting the mantissa as needed: 2.33 × 10^6.
AntonymsGMATGREMathematicsPractice Set
44
What is 10^5 × 10^8 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers of 10, add the exponents: 10^5 × 10^8 = 10^13.
AntonymsGMATGREMathematicsPractice Set
45
What is the antonym of 'stoic'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
46
What is the antonym of 'fortitude'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
47
Express 2,700 in scientific notation.
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMove the decimal point so only one nonzero digit remains before it: 2,700 = 2.7 × 10^3.
AntonymsGMATGREMathematicsPractice Set
48
What is the antonym of 'philanthropic'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
49
What is (9.0 × 10^9) ÷ (4.8 × 10^2) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationDivide the mantissas (9.0 ÷ 4.8 ≈ 1.88) and subtract the exponents (9 − 2 = 7), adjusting the mantissa as needed: 1.88 × 10^7.
AntonymsGMATGREMathematicsPractice Set
50
What is the antonym of 'denigrate'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
— Sponsored —
51
What is the antonym of 'peculiar'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
52
If 3^x = 9, what is the value of x?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation3^2 = 9, so x = 2.
AntonymsGMATGREMathematicsPractice Set
53
What is the antonym of 'mollify'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
54
What is the antonym of 'small'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
55
Which is greater: 9.3 × 10^6 or 3.8 × 10^5?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 9.3 × 10^6 is greater.
AntonymsGMATGREMathematicsPractice Set
56
What is the antonym of 'diurnal'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
57
What is the antonym of 'euphoria'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
58
What is (7.2 × 10^10) ÷ (4.1 × 10^9) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationDivide the mantissas (7.2 ÷ 4.1 ≈ 1.76) and subtract the exponents (10 − 9 = 1), adjusting the mantissa as needed: 1.76 × 10^1.
AntonymsGMATGREMathematicsPractice Set
59
What is the antonym of 'gloom'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
60
What is 1.3 × 10^7 written as an ordinary number?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation1.3 × 10^7 means moving the decimal point 7 places to the right, giving 13,000,000.
AntonymsGMATGREMathematicsPractice Set
— Sponsored —
61
What is the antonym of 'confuse'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
62
Between which two consecutive integers does √176 lie?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation13^2 = 169 and 14^2 = 196, and since 169 < 176 < 196, √176 lies between 13 and 14.
AntonymsGMATGREMathematicsPractice Set
63
What is (2.2 × 10^7) × (5.2 × 10^6) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMultiply the mantissas (2.2 × 5.2 = 11.44) and add the exponents (7 + 6 = 14), adjusting so the mantissa stays between 1 and 10: 1.14 × 10^14.
AntonymsGMATGREMathematicsPractice Set
64
What is the antonym of 'tame'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
65
What is the antonym of 'indifferent'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
66
What is the antonym of 'wanton'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
67
What is (5.3 × 10^7) ÷ (4.1 × 10^6) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationDivide the mantissas (5.3 ÷ 4.1 ≈ 1.29) and subtract the exponents (7 − 6 = 1), adjusting the mantissa as needed: 1.29 × 10^1.
AntonymsGMATGREMathematicsPractice Set
68
What is the antonym of 'vehement'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
69
What is the value of 7^2?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation7^2 = 7 multiplied by itself 2 times = 49.
AntonymsGMATGREMathematicsPractice Set
70
What is the antonym of 'agitate'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
— Sponsored —
71
What is 301^0 equal to?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationAny nonzero number raised to the power 0 equals 1, by definition.
AntonymsGMATGREMathematicsPractice Set
72
What is the antonym of 'capitulate'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
73
Which is greater: 2^5 or 6^5?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation2^5 = 32 and 6^5 = 7776, so 6^5 is greater.
AntonymsGMATGREMathematicsPractice Set
74
What is the antonym of 'divide'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
75
Which is greater: 6^4 or 4^5?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation6^4 = 1296 and 4^5 = 1024, so 6^4 is greater.
AntonymsGMATGREMathematicsPractice Set
76
What is the antonym of 'top'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
77
What is the antonym of 'audacious'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
78
What is the antonym of 'give'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
79
What is the antonym of 'boisterous'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
80
Simplify: (4^4)^5
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen raising a power to another power, multiply the exponents: (4^4)^5 = 4^(4×5) = 4^20.
AntonymsGMATGREMathematicsPractice Set
— Sponsored —
81
What is the antonym of 'indefatigable'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
82
Simplify √423 to its simplest radical form.
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
Explanation423 = 3^2 × 47, so √423 = 3√47.
AntonymsGMATGREMathematicsPractice Set
83
What is the antonym of 'arcane'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
84
What is the antonym of 'belligerent'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
85
What is the antonym of 'frugal'?
Antonyms - Medium
Medium
AntonymsEnglishMediumPractice Set
86
What is the antonym of 'calumniate'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
87
What is the antonym of 'sink'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
88
Which is greater: 4.3 × 10^7 or 5.8 × 10^5?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationComparing exponents first: since the exponents differ, the larger exponent wins — 4.3 × 10^7 is greater.
AntonymsGMATGREMathematicsPractice Set
89
What is the antonym of 'garrulity'?
Antonyms - Extreme Hard
Medium
AntonymsEnglishExtreme-HardPractice Set
90
What is the antonym of 'delicious'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
— Sponsored —
91
Simplify: 8^3 × 8^6
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers with the same base, add the exponents: 8^3 × 8^6 = 8^(3+6) = 8^9.
AntonymsGMATGREMathematicsPractice Set
92
What is (8.7 × 10^5) × (9.4 × 10^4) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMultiply the mantissas (8.7 × 9.4 = 81.78) and add the exponents (5 + 4 = 10), adjusting so the mantissa stays between 1 and 10: 8.18 × 10^10.
AntonymsGMATGREMathematicsPractice Set
93
What is (3.8 × 10^5) ÷ (1.6 × 10^2) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationDivide the mantissas (3.8 ÷ 1.6 ≈ 2.37) and subtract the exponents (5 − 2 = 3), adjusting the mantissa as needed: 2.37 × 10^3.
AntonymsGMATGREMathematicsPractice Set
94
Simplify: 4^6 ÷ 4^5
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen dividing powers with the same base, subtract the exponents: 4^6 ÷ 4^5 = 4^(6-5) = 4^1.
AntonymsGMATGREMathematicsPractice Set
95
What is the antonym of 'normal'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
96
What is the antonym of 'damage'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
97
What is the antonym of 'insouciance'?
Antonyms - Hard
Medium
AntonymsEnglishHardPractice Set
98
Simplify: 7^4 × 7^6
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationWhen multiplying powers with the same base, add the exponents: 7^4 × 7^6 = 7^(4+6) = 7^10.
AntonymsGMATGREMathematicsPractice Set
99
What is the antonym of 'present'?
Antonyms - Easy
Medium
AntonymsEasyEnglishPractice Set
100
What is (8.2 × 10^8) × (9.6 × 10^6) in scientific notation?
Arithmetic - Powers and Roots (Exponents, Scienti…
Medium
ExplanationMultiply the mantissas (8.2 × 9.6 = 78.72) and add the exponents (8 + 6 = 15), adjusting so the mantissa stays between 1 and 10: 7.87 × 10^15.