Question

Get the answer if your expert in mathematics

Answer 1

using formula ,
$( \frac{x}{y} ) {}^{ - m} = (\frac{y}{x} ) {}^{m}$


hope this helps

Answer 2

Hii frnd...

((3^-2/4^-2)÷(4^-3/5^-3))*(3^-2/5^-2)
((4^2/3^2)÷(5^3/4^3))*(5^2/3^2)
((16/9)÷(125/64))*(25/9)
16/9*64/125*25/9
16/9*64/5*1/9
1024/405
2.52

Hope it helped u.