Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 5 - Logarithmic Functions - Review Exercises and Problems for Chapter Five - Page 226: 38


$251$ times stronger

Work Step by Step

The relative strength is equal to $$=10^{M_2-M_1}$$ Plugging in values of $M_1=5.7$ and $M_2=8.1$ yields $$=10^{8.1-5.7}=10^{2.4}=251$$ Therefore, the waves are 251 times stronger.
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