The magnitude of an earthquake, measured on the Richter scale, is log 10 I/I 0 , where
Question:
The magnitude of an earthquake, measured on the Richter scale, is log10 I/I0, where I is the amplitude registered on a seismograph 100 km from the epicenter of the earthquake, and I0 is the amplitude of an earthquake of a certain (small) size. Find the Richter scale ratings for earthquakes having the following amplitudes.
(a) 1000I0
(b) 1,000,000I0
(c) 100,000,000I0
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Related Book For 
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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