College Algebra 7th Edition

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

Chapter 4, Exponential and Logarithmic Functions - Section 4.4 - Laws of Logarithms - 4.4 Exercises - Page 395: 21



Work Step by Step

RECALL: $\log{(10^x)}=x$ Use the rule above to obtain: $=\log{10,000}$ Write $10,000$ as $10^4$ to obtain: $=\log{(10^4)}$ Use the rule above to obtain: $=4$
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