Question

A) (5/4) ²



B) (2/3) ³

Answer 1

${ \frac{5}{4}}^{2} = \frac{5}{4} \times \frac{5}{4} = \frac{25}{16}$
${\frac{2}{3}}^{3} = \frac{2}{3} \times \frac{2}{3} \times \frac{2}{3} = \frac{8}{27}$
Boa sorte.