Practice Questions (Exponents)

1. 10⁴ is not equal to which of the following?

A. 100,000
B. 1.0 x 10⁵
C. 10 x 10 x 10 x 10
D. 10² x 10²
E. 10,000

2. Multiply 10⁴ by 10²

A. 10⁸
B. 10²
C. 10⁶
D. 10^-2
E. 10³

3. Divide x⁵ by x²

A. x⁷
B. x⁴
C. x¹⁰
D. x³
E. x^2.5

4. Find 8.23 x 10⁹

A. 0.00000000823
B. 0.000000823
C. 8.23
D. 8230000000
E. 823000000000

5. 83,000 equals:

A. 83.0 x 10⁴
B. 8.3 x 10⁴
C. 8.3 x 10³
D. 83.0 x 10⁵
E. 83.0 x 10²

6. .00875 equals:

A. 8.75 x 10^-2
B. 8.75 x 10^-3
C. 8.75 x 10^-4
D. 87.5 x 10^-3
E. 875 x 10^-4

Answer Key
1. A
2. C
3. D
4. D
5. B
6. B

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