Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.6 - Properties of Integral Exponents - Exercise Set: 13

Answer

$21x^{5}y^{}z^{4}$

Work Step by Step

RECALL: The product rule of exponents states that: $a^m \cdot a^n=a^{m+n}$. Multiply the numerical coefficients, and use the rule above to find: $\\=21x^{4+1}y^{0+1}z^{1+3} \\=21x^{5}y^{1}z^{4} \\=21x^{5}y^{}z^{4}$
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