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April 1, 2015

April 1, 2015

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

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

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