What is the value of (1/2)^(-3)?
Correct answer: D. 8
- A. -8
- B. -1/8
- C. 1/8
- D. 8
Explanation
A negative exponent takes the reciprocal of the base, so (1/2)^(-3) equals 2^3. Therefore, the value is 8, not negative 8.
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About Basic Mathematics: Fractions, Percentages, Ratios and Indices
Work with fractions includes simplification, conversion, operations and comparison, while percentages cover increases, decreases, profit, loss and reverse percentage calculations. Ratios and proportions describe relationships between quantities, and indices cover laws of exponents, zero and negative powers, fractional indices, and scientific notation.
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