SOLUTION: solve: (0.8)^n=e^2 i dont know what type of problem it is so i put logarithm

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: solve: (0.8)^n=e^2 i dont know what type of problem it is so i put logarithm      Log On


   

Question 41587: solve:
(0.8)^n=e^2
i dont know what type of problem it is so i put logarithm
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve:
(0.8)^n=e^2
Take the natural log of both sides to get:
nln(0.8)=2
n=2/[ln(0.8)]
n=-8.9628...
Cheers,
stan H.