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Asked by Ana Y

A radioactive kind of nitrogen has a half life of 10 minutes. If you start with 64 grams of the substance, how much will be left after 20 minutes?
9 years ago

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Answered by Reiny
amount = 64(1/2)^(t/10) , where t is in minutes, and amount is in g.

sub in t = 20
9 years ago
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