Find the value of the expression log4 64-log4(1/16)

log₄ 64-log₄(1/16)   .....  this can be written as

log₄ 64  - log₄ 4^-2   =

3  - (-2) log₄ 4  =

3 - (-2) * 1  =

3 - (-2)  =

5