SOLUTION: each strokes of a vacuum pump extracts 5% of the air remaining in the container.what decimal fraction of the original air remains after 50 strokes?

Question 586710: each strokes of a vacuum pump extracts 5% of the air remaining in the container.what decimal fraction of the original air remains after 50 strokes?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
each stroke of a vacuum pump extracts 5% of the air remaining in the container.what decimal fraction of the original air remains after 50 strokes?
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95% of the air remains after each stroke.
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Solution:
0.95^50 = 0.0769 = 7.69% will remain
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Cheers,
Stan H.
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