Answer
1.44
Work Step by Step
To plug the given function into the calculator, we press (2nd) and (LN). Doing this, we find that the exponential function evaluates to:
$$x=log_8 (20) = 1.44$$
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 - 7.6 Solve Exponential and Logarithmic Equations - 7.6 Exercises - Skill Practice - Page 520: 12
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