Solve the problem.The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log , where xo = 10-3.What would be the readings x (to the nearest tenth) for magnitudes of 5.5 and 7.5?

A. 740.4 and 875.1
B. 2.7 and 2.9
C. 3.7 and 3.9
D. 2.2 and 2.6


Answer: C

Mathematics

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