Answer
The student did not relocate all of the numbers correctly.
Work Step by Step
For a logarithmic expression, we know the following:
$$log_{b}\ y=x \Rightarrow b^x=y$$
Using this, we find that the expression becomes:
$$log_2 (1/8)=-3$$
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 - 7.4 Evaluate Logarithms and Graph Logarithmic Functions - 7.4 Exercises - Skill Practice - Page 503: 7
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