You are standing in the middle of a large room listening to a cacaphony of sound

Question

You are standing in the middle of a large room listening to a cacaphony of sounds. Rank the intensity of the sounds from each source (1=loudest, 2= next loudest, ...) Consider all objects to be right next to you. If two values are within 0.1 dB from each other, consider them to be the same.
1 2 3 4 5  100 buzzers each producing a sound with intensity level of 30 dB.
1 2 3 4 5  Two buzzers each producing a sound with intensity level of 50 dB.
1 2 3 4 5  An object emitting a sound with an intensity level of 80dB.
1 2 3 4 5  An object emitting a sound with an intensity of 1.0×10-9 W/m2.
1 2 3 4 5  An object emitting a sound with an intensity level of 60 dB

Explanation / Answer

1) An object emitting a sound with an intensity level of 80dB

2) An object emitting a sound with an intensity level of 60 dB

3) Two buzzers each producing a sound with intensity level of 50 dB

4) 100 buzzers each producing a sound with intensity level of 30 dB

5) An object emitting a sound with an intensity of 1.0×10-9 W/m2

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