Question

plz solution only tick ones.
solution
solution ​

Answer 1

1.

$( \frac{4}{5} ) {}^{ - 2} =( \frac{5}{4} ){}^{2}$

$\: \: \: \: \: \: \: \: \: \: \: = \frac{25}{16}$

2.

$( \frac{ - 3}{4} ) {}^{ - 3} = ( \frac{4}{3} ) {}^{3}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{64}{27}$