How to solve
A negative exponent flips the base into a denominator: b⁻ⁿ = 1/bⁿ.
Steps
- Rewrite b⁻ⁿ as 1 over bⁿ.
- Evaluate the positive power.
- Leave the answer as a fraction.
Example
Evaluate 2^(−3).
- 2⁻³ = 1/2³.
- 2³ = 8.
Answer: 1/8
How to type answers
- Answer as a fraction like 1/8
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