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Evaluate the expression.

log 3  54 − log 3  2
 Jul 9, 2014

Best Answer 

 #1
avatar+124676 
+5

We have a rule here that helps on this one......

log a - log b  =  log(a/b)   Note that the bases have to be the same!!

So we have

log3 54 - log3 2   =  log3 (54/2) = log3 27

And remember, we're just asking, "What power do we put on 3 to raise 3 to 27??"

The answer is.........3 !!!!

 

  

 Jul 9, 2014
 #1
avatar+124676 
+5
Best Answer

We have a rule here that helps on this one......

log a - log b  =  log(a/b)   Note that the bases have to be the same!!

So we have

log3 54 - log3 2   =  log3 (54/2) = log3 27

And remember, we're just asking, "What power do we put on 3 to raise 3 to 27??"

The answer is.........3 !!!!

 

  

CPhill Jul 9, 2014

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