Question

Qual a raiz de $\sqrt{2^5}$?

Eu faço $\sqrt{2^2}.{2^3}$ ou $\sqrt{2^2}.{2^2}.2$ ?

Por quê?

Answer 1

Faça assim:

$\sqrt{2^5}= \sqrt{2^2.2^2.2}= \sqrt{2^2} \sqrt{2^2} \sqrt{2}=2.2. \sqrt{2}=4 \sqrt{2}$