Question

(7/8)² = ...............

Answer 1

(7/8)^2=(7/8). (7/8) =(49/64)

Answer 2

Vamos lá :

$( \frac{7}{8} )^2 = ( \frac{7}{8} )( \frac{7}{8} ) = ( \frac{7^2}{8^2} ) = \frac{49}{64}$

Espero ter ajudado !!!