SOLUTION: A pump is attached to a container for the purpose of creating a vacuum. For each stroke of the pump 1/3 of the air remaining is the container is removed. To the nearest tenth of a

Question 225454: A pump is attached to a container for the purpose of creating a vacuum. For each stroke of the pump 1/3 of the air remaining is the container is removed. To the nearest tenth of a persent, how much of the air remains in the container after 7 strokes?
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Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A pump is attached to a container for the purpose of creating a vacuum. For each stroke of the pump 1/3 of the air remaining is the container is removed. To the nearest tenth of a persent, how much of the air remains in the container after 7 strokes?
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After each stroke, 2/3 remains.
(2/3)^7 = 128/2187 = 0.058527
= 5.9%
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