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Fractional Exponent

If -4-2 is ...

Question

If $(- 4)^{- 2}$ is $\frac{1}{m}$ , then the value of $m$ is

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Solution

$(- 4)^{- 2} = \frac{1}{(- 4)^{2}} = \frac{1}{(- 1)^{2} \times (4)^{2}} = \frac{1}{1 \times 16} = \frac{1}{16}$

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