Question

please tell me answer​

Answer 1

$\huge\green{A}\red{N}\orange{S}\pink {W}{E}\blue{R}$

${ (\frac{4}{7}) }^{ - 5} \times {( \frac{7}{4}) }^{ - 7}$

$= { (\frac{7}{4} )}^{5} \times {( \frac{4}{7}) }^{7}$

$= \frac{ {7}^{5} }{ {4}^{5} } \times \frac{ {4}^{7} }{ {7}^{7} }$

$= \frac{ {4}^{2} }{ {7}^{2} }$

$= \frac{16}{49}$

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