Answer
$=6x^{11}$
Work Step by Step
When multiplying two exponential expressions, group factors with the same base: $$(3x^{4})(2x^{7})$$
$$=(3\times2)(x^{4}\times x^{7})$$
$$=6x^{(4+7)}$$
$$=6x^{11}$$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.2 - Page 33: 45
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