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# Working with Rational Exponents and Square Roots

ALGEBR-WSDYSV

Which of these would not be equivalent to ${x}^{4}$?

A

$\sqrt { { x }^{ 8 } }$

B

${ x }^{ \frac { 12 }{ 5 } }\cdot { x }^{ \frac { 5 }{ 3 } }$

C

${ x }^{ 2 }\cdot \sqrt [ 5 ]{ { x }^{ 10 } }$

D

${ x }^{ \frac { 12 }{ 3 } }$