Question

Simplify (5/8)^-7 × (8/5)^-5

Answer 1

Answer:

64/25 or (8/5)^2

Step-by-step explanation:

$=\frac{5}{8}^{-7} *\frac{8}{5}^{-5} \\\\= \frac{8}{5}^{7} *\frac{8}{5}^{-5} \\ \\= \frac{8}{5}^{7-5}\\ \\=\frac{8}{5}^{2}=\frac{64}{25}$

this is done by laws of exponent. law used:$x^{n}* x^{m} =x^{n+m}$

hope its clear

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