Question

Para calcular :
$\sqrt{12 \: 100}$
podemos fazer
$\sqrt{121 \times 100 = }$
$\sqrt{121 } \: \: \ \times \sqrt{100} = 11 \times 10 = 110$
Usem esta ideia para efetuar:

$a) \: \: \sqrt{62500 }$
$b) \sqrt[3]{216 \: 000}$

Answer 1

Olá, tudo bem?
Vamos aos cálculos:


$a) \sqrt{62500} \\\\ \sqrt{625\times100} \\\\ \sqrt{625} \times \sqrt{100}\\\\ 25\times10=\ \textgreater \ \boxed{250 }\\\\\\\\ b) \sqrt[3]{216\ 000} \\\\ \sqrt[3]{216\times1000} \\\\ \sqrt[3]{216} \times \sqrt[3]{1000}\\\\ 6\times10=\ \textgreater \ \boxed{60 }$