Answer
$5x^{-6}y^{8}$
Work Step by Step
$\frac{30x^3y^4}{6x^9y^{-4}}=\frac{30}{6}\times\frac{x^3}{x^9}\times\frac{y^4}{y^{-4}}=5\times x^{3-9}\times y^{4--4}=5x^{-6}y^{8}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Test: 5
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