Math 12

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Hey everyone;
There are some questions on my review I am having trouble with.
4. Evaluate each logarithm.
g)log base 5 square root 5
I can't figure out how to do square roots...
h)log base 3 1
I got 3, but the anwser is 0

Also, directions ask you to write problems a) in exponential form and b) in logarithmic form. This is a really stupid question, but what exactly is the difference?

Any help is appreciated so much!

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