Answer
3
Work Step by Step
Given: $\log_2 72-2\log_2 3\\=\log_2 72-\log_2 3^2\\=\log_2 72-\log_2 9\\=\log_2 \frac{72}{9}\\=\log_2 8\\=3$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 7 Exponential and Logarithmic Functions - Standardized Test Practice - Gridded Answer - Page 547: 15
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