Which expression is equivalent to $\sqrt{x^{197}}$, where $x > 0$? | Ronan SAT

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Question

Prompt

Which expression is equivalent to

x^{197}

, where

x > 0

?

x^{\frac{197}{2}}

A

x^{394}

B

x^{195}

C

x^{\frac{2}{197}}

D