How do you simplify #ln ( 8 / e^7 )#? Precalculus Properties of Logarithmic Functions Natural Logs 1 Answer A. S. Adikesavan May 8, 2016 #3 ln 2 - 7 = -4.92#, nearly. Explanation: Use #ln (m/n) = ln m - ln n, ln a^n=n ln a and ln e = 1# #ln (8/e^7)=ln8-ln(e^7)# #= ln 2^3-ln e^7# #=3 ln 2-7 ln e = 3 ln 2-7(1)# Answer link Related questions What is the natural log of e? What is the natural log of 2? How do I do natural logs on a TI-83? How do I find the natural log of a fraction? What is the natural log of 1? What is the natural log of infinity? Can I find the natural log of a negative number? How do I find a natural log without a calculator? How do I find the natural log of a given number by using a calculator? How do I do natural logs on a TI-84? See all questions in Natural Logs Impact of this question 1695 views around the world You can reuse this answer Creative Commons License