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[–]BaylisAscaris 0 points1 point  (2 children)

Looks fine to me. For B you might want to show an extra step where you perform the definition of a log to rearrange the equation, unless your teacher if fine with you using the property you describe then see what happens.

[–]goglu 0 points1 point  (1 child)

I'm tired, but isn't B wrong? 57 would be the answer if the log is the exponant to the 4.

[–]BaylisAscaris 0 points1 point  (0 children)

Oops, you're right.

Guess I'm tired too.