After setting up stereo speakers in your schools music room, you notice that in certain areas of the room, the sound from the speakers is very loud. in other areas, the sound is very soft. using the concept of interference, explain why the sound levels in the music room vary.

Explained Below

Explanation:

Loud sound is because of constructive interference of sound waves and soft sound is due to destructive interference of sound waves.

Constructive interference is when two waves of same sign amplitude combines to form a louder sound and opposite sign for destructive interference.

305.7

explanation:

density =m/v

density =917/3.00

density = 305.

approximately = 305.7

in four significant figures