SAT Math Practice Question #35748 - SATify | SATify

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SAT Math Practice Question #35748 - SATify | SATify

#35748

exponents

algebra

medium

60 sec

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

A.

$6 p q^{- 1} r^{3}$

B.

$5 p q^{- 1} r^{3}$

C.

$6 p^{3} q^{- 7} r^{2}$

D.

$6 p^{- 2} q^{- 12} r^{2}$