Answer:
-1
Step-by-step explanation:
Recall that 0.25 = 1/4, and that 1/4 = 1/[4^(-1) Notice that 4 is the base of this log system.
Then log4 0.25 = log4(1/4) = log4(4^(-1) ) = -1 (answer)
Check: Does 4^(-1) = 0.25? Yes
