Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 5 - Exponential and Logarithmic Functions - 5.4 Logarithmic Functions - 5.4 Assess Your Understanding - Page 298: 133


$8.1$ magnitude

Work Step by Step

With $M(x)=\log\frac{x}{x_0}$, $x=125,892$, and $x_0=10^{-3}$, then plugging these values in gives: $M(10^{-7})=log\frac{125,892}{10^{-3}}=8.1$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.