Exponents Practice Questions

1. 2³ =
1. 1/0.125
2. √16
3. 32
4. 5
5. 

2. x⁵/x^-3=
1. x²
2. x^-2
3. x⁸
4. x^-8
5. x^-1.6

3. 100² x 10⁵ = 1000^y
   y=?

1. 1
2. 1.5
3. 2
4. 2.5
5. 3

4. Divide 0.123  by 10³
1. 123
2. 1.23
3. 0.0123
4. 0.00123
5. 0.000123

5. 3³ =
1. 1/81
2. √81
3. 8 1/3
4. 81
5. ³√81

6. 
1. -1
2. 0
3. 1
4. X-1
5. X2

7. Divide 0.123  by 10^-3
1. 123
2. 1.23
3. 0.0123
4. 0.00123
5. 0.000123

8. If x = y³. Then x² =
1. y³
2. y⁴
3. y⁵
4. y⁶
5. y⁹

9. 2³ =
1. ¹/_0.125
2. √16
3. 3²
4. 5
5. 4 √ 64

10. x⁵/x^-3 =
1. x²
2. x^-2
3. x⁸
4. x^-8
5. x^-1.6

11. 100² x 10⁵ = 1000^y
    y=?

1. 1
2. 1.5
3. 2
4. 2.5
5. 3

12. Divide 0.123  by 10³
1. 123
2. 1.23
3. 0.0123
4. 0.00123
5. 0.000123

13. 10⁴ is not equal to which of the following?
1. A. 100,000
2. B. 0.1 x 10⁵
3. C. 10 x 10 x 10 x 10
4. D. 10² x 10²
5. E. 10,000

14. Multiply 10⁴ by 10²
1. A. 10⁸
2. B. 10²
3. C. 10⁶
4. D. 10^-2
5. E. 10³

15. Divide x⁵ by x²
1. A. x⁷
2. B. x⁴
3. C. x¹⁰
4. D. x³
5. E. x^2.5

16. Find 8.23 x 10⁹
1. A. 0.00000000823
2. B. 0.000000823
3. C. 8.23
4. D. 8230000000
5. E. 823000000000

Answer Key


1. A
2. C
3. E
4. E
5. C
6. C
7. A
8. D
9. A
10. C
11. E
12. E
13. 5
14. A
15. C
16. D
17. D

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