Answer
$18x^{9}y^{5}$
Work Step by Step
Start with given expression: $(-9x^{3}y)(-2x^{6}y^{4})$
Group factors with the same bases: $(-9\times-2)(x^{3}x^{6})(yy^{4})$
Simplify using multiplication rules: $18x^{9}y^{5}$
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 - Section P.2 - Exponents and Scientific Notation - Exercise Set - Page 30: 47
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