Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 12 - Exponential Functions and Logarithmic Functions - Review Exercises: Chapter 12 - Page 843: 28

Answer

The equivalent expression for ${{\log }_{a}}{{x}^{4}}{{y}^{2}}{{z}^{3}}$is $4{{\log }_{a}}x+2{{\log }_{a}}y+3{{\log }_{a}}z$.

Work Step by Step

${{\log }_{a}}{{x}^{4}}{{y}^{2}}{{z}^{3}}$ Evaluate the expression in terms of a sum as follows. Apply the product rule for logarithms. ${{\log }_{a}}{{x}^{4}}{{y}^{2}}{{z}^{3}}={{\log }_{a}}{{x}^{4}}+{{\log }_{a}}{{y}^{2}}+{{\log }_{a}}{{z}^{3}}$ Apply the power rule for logarithms. ${{\log }_{a}}{{x}^{4}}{{y}^{2}}{{z}^{3}}=4{{\log }_{a}}x+2{{\log }_{a}}y+3{{\log }_{a}}z$
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