Mathematics, 05.03.2021 17:00 Baecool5584
An vacuum cleaner is considered highly efficient if it picks up 60% of dirt after
passing over a spot once. If a vacuum cleaner with this efficiency passed over a spot
three times, what percent of dirt would remain on the spot? Answer to the nearest
tenth
Answers: 3
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An vacuum cleaner is considered highly efficient if it picks up 60% of dirt after
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