Multiple Choice
The intensity of a radio signal from a radio station varies inversely as the square of the distance from the station. If the intensity is 8000 units at a distance of 2 miles, what will it be at a distance of 13 miles?
A) 189 units
B) 172 units
C) 215 units
D) 153 units
Correct Answer:

Verified
Correct Answer:
Verified
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