The Richter magnitude scale is logarithmic, meaning that each
increase of 1 point on the scale corresponds to an increase by a
factor of 10 in the amplitude of the seismic waves recorded on a
seismograph.
part A. An earthquake that measures magnitude 10 on the scale
has how many times more ground-shaking effect than a quake that
measures magnitude 5? Express your answer using one significant
figure.