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OpenStudy (anonymous):
You are given 500 grams of a substance with a half-life of 1.5 years. How much will remain after 15.0 years? Answer 50 grams 500 grams 15.63 grams 4.88 x 10-1 grams
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OpenStudy (aripotta):
well 15/1.5 is 10, so that would be 10 half-lives. so just divide 500 by 2, 10 times
OpenStudy (aripotta):
i'm sure there's an easier way, but hey. you should get d
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