At the beginning of an experiment, there are 600 grams of contaminants. Each hour, half of the contaminants are filtered out. How many grams of contaminants remain after 4 hours?

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asked Sep 22, 2019 68.4k views

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At the beginning of an experiment, there are 600 grams of contaminants. Each hour, half of the contaminants are filtered out. How many grams of contaminants remain after 4 hours?

Mathematics
high-school

Keroles Monsef asked

by Keroles Monsef

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37.5 grams of contaminants will remain after 4 hours.

Richard Gourlay answered Sep 22, 2019

by Richard Gourlay

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3 votes

First hour - 300
Second hour - 150
Third hour - 75
Fourth hour - 37.5

Jan Larres answered Sep 28, 2019

by Jan Larres

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