Answer:
D
Step-by-step explanation:
The expression [tex]\sqrt[5]{x} *\sqrt[5]{x}* \sqrt[5]{x} *\sqrt[5]{x}[/tex] simplifies to [tex]\sqrt[5]{x*x*x*x} = \sqrt[5]{x^4}[/tex]
A radical can be written as a fractional exponent. The index of a radical is the denominator of its fractional exponent.
[tex]x^\frac{4}{5}[/tex]
