Answer:
-5 = log₄(0.0009765625)
4 = log₄(256)
Explanation:
Apparently, you want to express a number as a logarithm. That is, you want to find y for some value of x such that ...
x = log₄(y)
Taking antilogs, this is ...
y = 4^x
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For x =-5, the log expression would be ...
y = 4^-5 = 0.0009765625
log₄(0.0009765625) = -5
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For x = 4, the log expression would be ...
y = 4^4 = 256
log₄(256) = 4