The Richter Scale Reading for an Earthquake Measures Its Intensity

Multiple Choice

The Richter scale reading for an earthquake measures its intensity (as a multiple of some minimum intensity used for comparison) . The intensity I corresponding to a Richter scale reading R is given by . Find the intensity of a quake measuring 6.5 rounded to the nearest integer.

A) 3,162,278
B) 134,627,433
C) 1,778
D) 11,603
E) 42