Question

(5/8)^-7 ×(8/5)^-4 please fast​

Answer 1

$( { \frac{5}{8} })^{ - 7} \times ( { \frac{8}{5} })^{ - 4} \\ \frac{ {5}^{ - 7} }{ {8}^{ - 7} } \times \frac{ {8}^{ - 4} }{ {5}^{ - 4} } \\ \frac{ {8}^{7} }{ {5}^{7} } \times \frac{ {5}^{4} }{ {8}^{4} } = \frac{ {8}^{3} }{ {5}^{3} } = \frac{512}{125} \\ \\ hope \: it \: helps \: you$