Answer
$6.9.$ magnitude
Work Step by Step
$M(x)=log{\frac{x}{x_0}}$.
$x=7943$, $x_0=10^-3$, hence after plugging these values in: $M(x)=log{\frac{7943}{10^-3}}\approx6.9.$
Precalculus (10th Edition)
by Sullivan, Michael
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: 134
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
