Homework Answers
a) ln 45 = ln( 5 x 9) = ln 5 + ln 9 =1.6094 + 2.1972 = 3.8066
b) ln 18 = ln(2 * 9) = ln 2 + ln 9 = 0.6931+ 2.1972 = 2.8903
c) ln(1/5) = ln 1 - ln 5 = 0 -ln 5 = -1.6094
d) ln(1/9) = ln 1 - ln 9 = 0 -ln 9 = -2.1972
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