SOLUTION: Use the change of base formula to calculate log3 21

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Question 430776: Use the change of base formula to calculate log3 21
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Use change of Base rule --> http://hyperphysics.phy-astr.gsu.edu/hbase/logm.html
Log%5B3%5D%2821%29+=+log%2821%29%2Flog%283%29+=+2.7712