Question

Simplifique:A raiz Quadrada de 81 elevado a.3

Answer 1

$\sqrt{81^{3} } = \\ \\ \sqrt{81} ^{3} = \\ \\ 9 ^{3} = \\ \\ 729$

Answer 2

$\sqrt{81^{3} }$
$= \sqrt{81*81^{2} }$
$= 81\sqrt{81}$
$=81*9$
$=729$