# Thread: log question

1. ## log question

write the following as the log of a single number

A.
log 3 + log 20 -log 4

B.
2log(small 3) 5 + 3log(small 3) 2

2. Originally Posted by wolfhound
write the following as the log of a single number

A.
log 3 + log 20 -log 4

B.
2log(small 3) 5 + 3log(small 3) 2
Use the log rule that says

$log_b(a)+log_b(c) - log_b(d) = log \left(\frac{ac}{d}\right)$