You can
put this solution on YOUR website!3(5)^(-.01x)=6
(5)^(-.01x)=2
-.01x=log5(2)
-.01x=log(2)/log(5)
-.01x=.4307
x = -43.068
.
Note:
log5 : log base 5
log : (w/o any number) means log base 10
.
This is a good site to review log rules:
http://www.purplemath.com/modules/logrules.htm
