Solve.Suppose that we want to measure the magnitude of an earthquake. If an earthquake has a shock wave x times greater than the smallest shock wave that can be measured by a seismograph, then its magnitude R on the Richter scale is given by the equation R = log x. What is the magnitude of an earthquake that has a shock wave that is 68,000times greater than the smallest shock wave that can be detected? If necessary, round to two decimal places.
A. 0.09
B. 4.83
C. 11.13
D. 0.21
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Fill in the blank(s) with the appropriate word(s).
Mathematics