College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 6 - Section 6.4 - Logarithmic Functions - 6.4 Assess Your Understanding - Page 449: 56



Work Step by Step

For this problem, we are asked to use a calculator to evaluate each expression. To do so, obtain a calculator. Then, be careful to use parentheses when needed. The necessary input is shown below. $\frac{(log15+log20)}{(ln15+ln20)}$ =.434
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