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OpenStudy (anonymous):

Earthquake A had a magnitude of 8.1 on the Richter scale. At the same time an earthquake B with magnitude 4.9 caused only minor damage. How many times more intense was earthquake A than earthquake B? (Round your answer to two decimal places.)

OpenStudy (anonymous):

Fine the definition of Richter scale, which is logarithmic, so +1 is ten times the intensity, if I recall correctly

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