SOLUTION: How do I solve this? 0.1^n=100

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: How do I solve this? 0.1^n=100      Log On


   



Question 304010: How do I solve this?
0.1^n=100

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
You need to have noticed the powers of ten on each side.
.1=1/10
1/10=10(-1)
100=10^2
(10^(-1))^n=10^2
10^(-n)=10^2
n=-2