Question

(ii) (7^-2)^4 . (343)^2​

Answer 1

Answer :-

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${( {7}^{ - 2}) }^{4} . {(343)}^{2} \\ = {( \frac{1}{ {7}^{2} }) }^{4} . {(343)}^{2} \\ = \frac{1}{ {7}^{8} } . {(7)}^{6} \\ = \frac{1}{49}$

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