Solve the problem.The energy E (measured in joules) released by an earthquake of magnitude M on the Richter scale 
is given by the equation 
. Suppose an earthquake registers 7.9 on the Richter scale. Let I0 = 1. How many joules of energy were released?
A. E = 7.910 joules
B. E = 16.2510 joules
C. E = 107.9 joules
D. E = 1016.25 joules
Answer: D
Mathematics
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