SAT Math Practice Question #20352 - SATify | SATify

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SAT Math Practice Question #20352 - SATify | SATify

#20352

radicals

expressions

hard

180 sec

Calculator OK

Which expression is equivalent to $a^{\frac{13}{15}}$ , where $a > 0$ ?

A.

$39 a^{45}$

B.

$13 a^{15}$

C.

$45 a^{39}$

D.

$a^{13 + 15}$