Mathematics for IGCSE & O level - Indices 1 (Section 3 - No. 7) | ExamPlay

Mathematics for IGCSE & O level - Indices 1 (Section 3 - No. 7)

Which expression(s) are equivalent to 1/9?

3^-2

9^-1

-3²

3²

Explanation

1/9 can be represented as a negative power of 3 or a negative power of 9.

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