Practice!

Sample Problem

Solve ln(6e3)+ln(2e5)-ln(18e6). Round to three decimal places.

Solution

ln(6e3)+ln(2e5)-ln(18e6)

=ln(6e3*2e5)-ln(18e6)

=ln(12e8)-ln(18e6)

=ln(12e8/18e6)

=ln(2e2/3)

=ln(2/3)+ln(e2)

=ln(2/3)+2=1.5945