Question

What is the value of y
log4 64 = y

Answer 1

y=3

Explanation:

There are two ways of solving it

FIRST METHOD:

Log4 64 =y

Changing to indices

4^y=64

2^2y=2⁶

Canceling out 2

2y=6

y=3

OR

SECOND METHOD:

Log4 64=y

Log4 4³ = y

3log4 4 = y

Note log4 4 is 1

3(1) =y

y=3