The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.Find the magnitude (to one decimal place) of an earthquake whose seismographic reading is 2000 millimeters at a distance of 100 kilometers from its epicenter. Round the answer to the nearest tenth.
A. 6.3
B. 6.4
C. 5.9
D. 7.3
Answer: A
Mathematics
You might also like to view...
Solve the problem.Determine the probability that in a class of 30 students, at least two students have the same birthday. Assume that birth rates are constant throughout the year. (Hint: First determine the probability that no two students have the same birthday and then apply the complementation rule.)
A. 0.786 B. 0.746 C. 0.706 D. 0.294
Mathematics
Solve.Over a 7-day period, a doctor administered 10 tablets to a patient. If each tablet contained 0.100 g of the drug acetaminophen, how much acetaminophen did the doctor administer?
A. 7 g B. 0.01 g C. 1 g D. 10 g
Mathematics
Determine the degree of the polynomial.-x - 2x2 - 6x3 - 2x5
A. 5 B. 11 C. 4 D. 10
Mathematics
Graph the function.y = -csc 6x
A. 
B. 
C. 
D. 
Mathematics