Question 1180244
log4(1/16) = y if and only if 4^y = 1/16
since 1/4^2 = 1/16 and 1/4^2 is equal to 4^-2, then y must be equal to -2.
you get 4^-2 = 1/16 which becomes 1/4^2 = 16 which becomes 1/16 = 1/16 which is true.
therefore, y must be equal to -2.