Question

What is the square root of r^64

Answer 1

Explanation:

If is

`\sqrt{r^(64)}=\sqrt{r^(32\cdot2)}=\sqrt{(r^(32))^2}=r^(32)`

Used:

`(a^n)^m=a^(nm)\\\\√(a^2)=a\ for\ a\geq0`

If is

`√(64)=8` because
`8^2=64`

Answer 2

The answer is 8.