Question

A raiz quadrada exata de 729 conta

Answer 1

A raiz quadrada de 729 resulta em 27, pois 27*27=729

Answer 2

Fatorando 729:

729 | 3
243 | 3
081 | 3
027 | 3
009 | 3
003 | 3
001

$729=3*3*3*3*3*3\\729=9*9*9\\\sqrt{729}=\sqrt{9*9*9}\\\sqrt{729}=\sqrt{9}*\sqrt{9}*\sqrt{9}\\\sqrt{729}=3*3*3\\\sqrt{729}=27$