Mathematics, 13.10.2019 20:30 Jasten

The seismic activity density of a region is the ratio of the number of earthquakes during a given time span to the land area affected. a state had 424 earthquakes over a given time span and a land area of 71,300 square miles. what is the seismic activity density for this state? round to the nearest ten thousandth, if necessary.

0.0046
0.0056
168.1604
179.0049

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