SOLUTION: log3 9=

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: log3 9=      Log On


   

Question 474301: log3 9=
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
log3 9
log%283%2C9%29
9+=+3%5E2
log%283%2C9%29+=+2
-------------------
You can always use the base change, and sometimes it's the only way.
log%283%2C9%29+=+log%289%29%2Flog%283%29+=+2