How do you evaluate #log_4 1/64#?
If the question was intended to be: Find
Remember that the log base 4 of a number is the exponent needed on 4 to get that number.
Now what exponent do I need to put on 4, in order to get
(Yes, it is a self-answering question. It's fun to think of other self-answering questions. OK, it might be nerdy fun.)