Question

raiz quadrada de 196/256

Answer 1

$\frac{196}{256} :4 = \frac{ \sqrt{49}}{ \sqrt{64} } = \frac{7}{8}$

Answer 2

(196/256)^1/2    ->raiz quadrada em forma de expoente
=(14²/16²)^1/2=14/16=7/8