Exponents: Practice Questions ACT
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- 0.00875 equals:
- 8.75 × 10 − 2
- 8.75 × 10 − 3
- 8.75 × 10 − 3
- 87.5 × 10 − 4
- 87.513 × 104
Answer: b
- 104 is not equal to which of the following?
- 100,000
- 1.0 × 10
- 10 × 10 × 10 × 10
- 10 × 10
- 10,000
Answer: a
- Multiply 104 by 102
- 10
- 10
- 10
- 10
- 101
Answer: c
- Divide x5 by x2
- x
- x
- x
- x
- x2.5
Answer: d
- Find 8.23 × 109
- 0.00000000823
- 0.000000823
- 8.23
- 8230000000
- 823000000000
Answer: d
- 83,000 equals:
- 83.0 × 10
- 8.3 × 10
- 8.3 × 10
- 83.0 × 10
- 83.0 × 10 − 7
Answer: b