How do I solve for n in =4^n=64

Or you use tools goalseek

either in cell A1 put 4^a2 and in a2 put a staring value

Set cell a1 to value 64 by changing a2


or put 64^(1/a2) in cell a1 and a starting value in a2

then set it to equal the value 4 by changing a2


Regards

Dav