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Question: 2 Grade: 1.0/1.0 The Richter scale magnitude R of an earthquake of intensity I 1s defined as R = log (IL) , where Iy is a small threshold intensity. Find 0 the magnitude of an earthquake with intensity 52,000,000 . If the answer is not an integer, enter it as a decimal rounded to the nearest hundredth, if needed. magnitude = 7.72 (100%) Solution Substitute 52,000,000 into the formula for I and simplify. 52,000,000, R = log (IL) — log (1—0) — log 52,000,000 = 7.72 0 0 .