College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 4, Exponential and Logarithmic Functions - Chapter 4 Review - Concept Check - Page 425: 87


$\frac{\log 0.28}{\log 9}\approx-0.579352$

Work Step by Step

We evaluate with a calculator: $\log_{9}0.28=\frac{\log 0.28}{\log 9}\approx-0.579352$
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