Question

What is x? 4^x= 1/64

Answer 1

Answer: x= -3

Explanation:

You would use the formulas b^x=y <----> log∨b(y)=x

b=4

x=?

y=1/64

Plug in:

log(∨4)(1/64)= x

then you use...

log(y)/log(b)=x

log(1/64)/log(4)

plug into calculator and you would get -3 for x

hope that helps :)