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10-09-2016
Mathematics

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after 24.0 days, 2.00 milligrams of an original 128.0 milligram sample remain. what is the half-life of the sample?

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ganyahmain ganyahmain

10-09-2016

(1/2)n = 0.015625
n log 0.5 = log 0.015625
n = log 0.5 / log 0.015625
n = 624 days / 6 half-lives = 4.00 days (the length of the half-life)

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