Find the Square Root $\sqrt { x ^ { 40 } }$

Multiple Choice

Find the square root. Assume that all variables represent nonnegative real numbers.
- $\sqrt { x ^ { 40 } }$

A) $x ^ { 40 }$
B) $x ^ { 20 }$
C) $x ^ { 80 }$
D) $x ^ { 2 }$