Earthquake Magnitudes The 1906 earthquake in San Francisco had a magnitude of 8.3 on the Richter scale. At thesame time in Japan an earthquake with magnitude 4.9 causedonly minor damage. How many times more intense was theSan Francisco earthquake than the Japan earthquake?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.7: Logarithmic Scales
Problem 12E
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Earthquake Magnitudes The 1906 earthquake in San Francisco had a magnitude of 8.3 on the Richter scale. At the
same time in Japan an earthquake with magnitude 4.9 caused
only minor damage. How many times more intense was the
San Francisco earthquake than the Japan earthquake?

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