Question

Simplify
(5/8)^-7 * (8/5)^-5

Answer 1

i hope you got the answer and if not , don't worry it happens.  re read the concept and  do more practice . you will get it .. thank you god bless you and have a nice future. bye

Answer 2

Hello Friend ✌
Here is u r Ans ➡

✨
$= ( \frac{5}{8} ) {}^{ - 4} \times ( \frac{8}{5} ) {}^{ - 5}$

$= using \: > \: ( \frac{a}{b} ) {}^{ - n} = ( \frac{b}{a} ) {}^{n}$

$= ( \frac{5}{8} ) {}^{ - 7} \times ( \frac{5}{8} ) {}^{5}$

$= ( \frac{5}{8} ) {}^{ - 2}$

$= ( \frac{8}{5} ) {}^{2}$

$= \frac{64}{25}$

$= in \: decimal \: form \: > \: 2.56$
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