An agricultural sprinkler distributes water in a circular pattern of radius 100 ft. It supplies water to a depth of e^-r feet per hour at a distance of r feet from the sprinkler. If 0 < R ≤ 100, what is the total amount of water supplied per hour to the region inside the circle of radius R centered at the sprinkler?

A circle of radius ft has area sq ft. For any fixed , water will reach a depth of ft. You can think of the total volume of water supplied within a radius of the sprinkler as the volume of the "cylinder" with "height" given by for some .

This volume is

cu ft.

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step-by-step explanation:

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6