Question

hjk please answer meee as much as possible​

Answer 1

Answer:

64/125 is your correct ans

Answer 2

Step-by-step explanation:

We know that,

$\bold{( { \frac{a}{b} })^{ - m} =( {\frac{ b}{a} })^{m} }$

$\: \: \: \: \: { (\frac{5}{4}) }^{ - 3} \\ = { (\frac{4}{5} )}^{3} \\ = \frac{ {4}^{3} }{ {5}^{3} } \: \: \: \: \\ = \frac{64}{125}$