Mathematics for IGCSE & O level - Indices 1 (Section 4 - No. 5) | ExamPlay

Mathematics for IGCSE & O level - Indices 1 (Section 4 - No. 5)

Which of the following is equal to 25^-1/2?

1/5

-5

5

-1/5

Explanation

A negative fractional exponent indicates a reciprocal of a root.

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