In Example 17.3 we found that a point source with a power output of 80 W produces

Question:

In Example 17.3 we found that a point source with a power output of 80 W produces sound with an intensity of 1.00 x 10–8 W/m2, which corresponds to 40 dB, at a distance of about 16 miles. Why do you suppose you cannot normally hear a rock concert that is going on 16 miles away? (See Table 17.2)