SAT Math Practice Question #27574 - SATify | SATify

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SAT Math Practice Question #27574 - SATify | SATify

#27574

algebra

exponents

easy

60 sec

Suppose that $X = 3^{a}$ and $Y = 5^{b}$ . Which of the following is equal to $7 5^{ab}$ for every pair of integers $(a, b)$ ?

A.

$X^{a} Y^{2 b}$

B.

$X^{2 a} Y^{b}$

C.

$X^{b} Y^{2 a}$

D.

$X^{a} Y^{b}$

E.

$X^{b} Y^{a}$