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. 320,000,000 ? I0
B. 4900 ? I0
C. 250,000,000 ? I0
D. 32,000,000 ? I0
Answer: A
Mathematics
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