Answer:
log3 (12) = 2.2619.
Explanation:
Let y = log3 12
Then by the definition of a logarithm
12 = 3^y
Now because a calculator gives us logs to the base 10 we use these logs:
log 12 = log 3^y
log 12 = y log 3
y = log 12 / log 3
y = 2.2619 to the nearest 10 thousandth.