Question

(5/7) ^-2 *(7/5) ^4*(7/5) ^3

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

$\Large\underline\mathbb\blue{ANSWER}$

$\: \: \: \: \: \: \: \: \: ( {\frac{5}{7} })^{ - 2} \times ({ \frac{7}{5} }^{4} )\times ({ \frac{7}{5} }^{3} )\\ \\ \implies ({ \frac{7}{5} })^{2} \times ({ \frac{7}{5} }^{4} )\times ({ \frac{7}{5} }^{3} ) \\ \\ \implies \frac{ {7 }^{2} \times {7}^{4} \times {7}^{3} }{ {5}^{2} \times {5}^{4} \times {5}^{3} } \\ \\ \implies \frac{{7}^{2 + 4 + 3} }{ {5}^{2 + 4 + 3} } \\ \\ \implies \boxed{ \mathtt\pink{ \frac{7}{5} }}$

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