Question

Calcule as raiz

A 64 B 81 C 27 D 25

Answer 1

$\sqrt{64} = \sqrt{ {8}^{2} } = 8$

$\sqrt{81} = \sqrt{ {9}^{2} } = 9$

$\sqrt{27} = \sqrt{ {3}^{2} .3} = 3 \sqrt{3}$

$\sqrt{25} = \sqrt{ {5}^{2} } = 5$