Rewrite as a Radical Expression and Simplify If Possible $\left(x^{3}\right)^{8 / 3}$

Multiple Choice

Rewrite as a radical expression and simplify if possible. Assume all variables represent nonnegative real numbers.
- $\left(x^{3}\right) ^{8 / 3}$

A) $x^{9}$
B) $x^{3}$
C) $x^{4}$
D) $x^{8}$