How do you write #log_4x=3# in exponential form?
Log form and exponential form are two different ways of saying the same thing.
They are inter-changeable.... neither form is better than the other, but one might be more useful than the other in a particular question.
An easy way to convert between the form is to remember:
"The base stays the base and the other two change around"
Here are two examples:
In this question: