Exponents and Powers Multiple Choice Questions and Answers for Practice

16. The standard form of 4050000 is given by

1. 4.05 × 10⁶
2. 40.5 × 10⁹
3. 405 × 10⁶
4. 4.05 × 10^-6

17. Which one of the following is the value of 1¹⁵

1. 15
2. 1
3. None of these

18. (1/125) is the multiplicative inverse of

1. 5^-3
2. 1/5^-3
3. -125
4. 5³

19. 16 is the multiplicative inverse of

1. 2^-4
2. 2⁸
3. 8²
4. 2⁴

20. Value of ( 3⁰ + 2⁰ ) × 5⁰ is

1. 1
2. 25
3. 2

21. The value of 7² is

1. 7
2. 49
3. 2
4. 14

22. The Base in the expression 8¹⁰⁰ is

1. 10
2. 100
3. 8
4. 800

23. The value of 1000⁰ is

1. 1000
2. 1
3. None of these

24. Multiplicative inverse of 5^-2 is

1. -10
2. 25
3. 3
4. 7

25. Value of ( 2³ )² is given by

1. 64
2. 32
3. 12
4. None of these

26. The value of 8² ÷ 2³ is given by

1. (1/4)
2. 8
3. (1/8)
4. -8

27. The value of (1/5)^-3 is equal to

1. -3
2. 125
3. -15
4. (1/5)

28. In exponential form 140,000,000,000 Kg is given by

1. 1.4 × 10¹⁰ Kg
2. 1.4 × 10⁹ Kg
3. 14 × 10⁸ Kg
4. 1.4 × 10¹¹ Kg

29. The expression , ( 5^-1 + 7^-1 + 3^-1 )⁰ is equals to

1. 15^-3
2. -3
3. 15^-1
4. 1

30. The value of (1/3)^-2 is

1. 9
2. (-2/3)
3. (1/9)