SOLUTION: for 1.005^-n=.28125, how do you find n??

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Question 591807: for 1.005^-n=.28125, how do you find n??
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
for 1.005^-n=.28125, how do you find n??
1.005%5E%28-n%29=.28125
take log base 1.005 to both sides:
-n=log%281.005%2C.28125%29
n=-log%281.005%2C.28125%29
n=-log%28.28125%29%2Flog%281.005%29
n+=+254.34