A Point Source Emits Sound with a Power Output of 100

Multiple Choice

A point source emits sound with a power output of 100 watts. What is the intensity (in W/m²) at a distance of 10.0 m from the source?

A) 7.96 × 10−²
B) 7.96 × 10−¹
C) 7.96 × 10⁰
D) 7.96 × 10¹
E) 7.96 × 10−³