SAT Math Practice Question #15607 - SATify | SATify

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SAT Math Practice Question #15607 - SATify | SATify

#15607

algebra

exponents

easy

35 sec

Which expression is equivalent to $(2 a^{3} b^{- 2}) (4 a^{- 1} b^{4})$ , where $a$ and $b$ are positive?

A.

$8 a^{2} b^{2}$

B.

$6 a^{2} b^{2}$

C.

$8 a^{- 3} b^{- 8}$

D.

$8 a^{4} b^{- 8}$