SOLUTION: 4= log (sub)3 81. I'm not sure how to type it correctly. I just need help with how to get the answer. I have the answer I just don't know how the teacher got that answer.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: 4= log (sub)3 81. I'm not sure how to type it correctly. I just need help with how to get the answer. I have the answer I just don't know how the teacher got that answer.      Log On


   



Question 297247: 4= log (sub)3 81. I'm not sure how to type it correctly. I just need help with how to get the answer. I have the answer I just don't know how the teacher got that answer.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
log%283%2C81%29=4 is the same as saying 3%5E4=81 but re-arranging it to ask "What is the exponent if the base is 3 and the answer is 81?".