Answer
$1$
Work Step by Step
RECALL:
(1) $\log_b{M}+\log_b{N}=\log_b{MN}$
(2) $\log_b{M}−\log_b{N}=\log_b{\frac{M}{N}}$
(3) $\log_b{(b^x)}=x$
(4) $\log_b{b}=1$
Use rule (2) above to obtain:
$=\log_3{(\frac{135}{45})}
\\=\log_3{3}$
Use rule (4) above to obtain:
$=1$
