An outside loudspeaker $($considered a small source$)$ emits sound waves with a power output of $103$ W$.$

$($a$)$ Find the intensity $12\mathrm{.}0$ m from the source.

W$/$m$2$

$($b$)$ Find the intensity level in decibels at that distance.

dB

$($c$)$ At what distance would you experience the sound at the threshold of pain, $120$ dB$?$

m