Question: When you are standing 8 5 m away from a point source of sound, the sound intensity level is 4 3 dB . What sound

When you are standing 85 m away from a point source of sound, the sound intensity level is 43 dB. What sound intensity level (in dB) would you experience if you were standing 40 m from the source?
NOTE: the decibel unit is also called dB(SIL) which stands for decibel sound intensity level.

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