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1 vote
Evaluate the expression. If necessary, round to the nearest hundredth. log 4 64

User CharlieP
by
5.5k points

2 Answers

3 votes
log 64 base 4 = 3

properties of log:
log a base b = x >>> b^x = a

so log 64 base 4 = 3 >>> 4^3 = 64

or 64^(1/3) = 4
User Milos Kovacevic
by
5.5k points
5 votes
The correct answer is: 3
Step-by-step explanation:


Instead of sharing the conventional tedious, method, let me share with you the simple trick here to solve these types of questions without using the calculator:

Given

log_464

It is essentially saying that WHAT power of 4(which is the base of log) gives us the value 64. You need to find the answer to that "WHAT."

Well


4^1 = 4 \\ 4^2 = 16 \\ 4^3 = 64

Hence the answer is "3".