Homework Help: math

Posted by CLara on Saturday, November 3, 2012 at 9:31pm.

a seismoraph 300km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 x 10^2um. Find this earthquakes magnitude on the Richter Scale. (Round your answer to the nearest tenth). M=

math - Anonymous, Wednesday, November 7, 2012 at 12:15pm
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 102 痠. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.

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