The intensity I of an earthquake is measured by a seismograph-a device that measures amplitudes of shock waves. lo is a minimum reference intensity of a "zero-level" earthquake against which the intensities of other earthquakes may be compared. The magnitude M of an earthquake of intensity / is given by log Io M Find the magnitude of an earthquake whose intensity is 56,987 times Io Round your answer to 3 decimal places.

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.CR: Chapter Review
Problem 11CC
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The intensity / of an earthquake is measured by a seismograph-a device that measures
amplitudes of shock waves. /o is a minimum reference intensity of a "zero-level" earthquake
against which the intensities of other earthquakes may be compared. The magnitude M of an
earthquake of intensity / is given by
M = log()
Io
Find the magnitude of an earthquake whose intensity is 56,987 times
Io
Round your answer to 3 decimal places.
Transcribed Image Text:The intensity / of an earthquake is measured by a seismograph-a device that measures amplitudes of shock waves. /o is a minimum reference intensity of a "zero-level" earthquake against which the intensities of other earthquakes may be compared. The magnitude M of an earthquake of intensity / is given by M = log() Io Find the magnitude of an earthquake whose intensity is 56,987 times Io Round your answer to 3 decimal places.
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