SOLUTION: If logax=4 and logay=5, use log laws to find the exact values of: loga(x^2y) loga(axy) loga(xy) I have no idea how to do these questions

SOLUTION: If logax=4 and logay=5, use log laws to find the exact values of: loga(x^2y) loga(axy) loga(xy) I have no idea how to do these questions - i tried googling them and there

Question 1094218: If logax=4 and logay=5, use log laws to find the exact values of:
loga(x^2y)
loga(axy)
loga(xy)
I have no idea how to do these questions - i tried googling them and there not in my textbook. any help would be greatly appreatiated. thankyou so much in advance.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!

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The two properties of logarithms needed to do these are:

and

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Since you are given and you should try to rearrange the given expression in terms of these so that you can plug in the numbers:

I'll leave the 3rd one for you. It is very similar (simpler) than the 2nd one above.
Hope this helps.
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