Solve.If an earthquake measured
on the Richter scale, what was the approximate intensity of the earthquake in terms of I0? The magnitude on the Richter scale of an earthquake of intensity I is 
A. 1,600,000 ? I0
B. 1300 ? I0
C. 13,000,000 ? I0
D. 16,000,000 ? I0
Answer: D
Mathematics
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