Question

simplifique os radicais

$\sqrt{8}$
$\sqrt[3]{27} \times {5}$

Answer 1

primeira

$\sqrt{8} = \sqrt{ 2^{2} .2} = 2.\sqrt{2}$


segunda

$\sqrt[3]{27} . 5 = \sqrt[3]{ 3^{3}} .5 = 3.5 = 15$