Question

What is the square root of $64$?

Answer 1

Determine the square root of$64$.

The square root of a number is the value that returns the original number when multiplied by itself

Find the prime factors of $64$:

$64=2\times 2\times 2\times 2\times 2\times 2$

Take square root from both sides of the above equation:

$$\begin{gathered} \sqrt{64}=\sqrt{2\times 2\times 2\times 2\times 2\times 2} \\ \Rightarrow \sqrt{64}=2\times 2\times 2 \\ \mathbf{\Rightarrow }\sqrt{64}=8 \end{gathered}$$

Hence, the square root of $64$ is $8$.