Answer
$4$
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:
$=4$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
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
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