If log_a 8 = 3, what is the value of a?
Show the answer and explanation
Correct answer
A. 2
Principle or equation
log_a b = c means a^c = b.
Why this answer is correct
log_a 8 = 3 implies a^3 = 8, so a = 2.
Example
log_2 8 = 3 because 2^3 = 8.
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