Question

$\sqrt{64}$$\sqrt{121}$$\sqrt{225}$$\sqrt{625}$Do you know these problems

Answer 1

ANSWER

We need to calculate the squared root of 64 in this way:

-Factor the number 64=8^2

-Apply the radical rule:

$\sqrt[]{a^2}=a\text{ a}\ge0$

$\sqrt[]{64}=\sqrt[]{8^2}=\text{ 8}$

The others roots can be solved in the same way.