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How much of an 800-gram sample of C14 is left after 3half-lives?
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How much of an 800-gram sample of C14 is left after 3half-lives?

User Praveen Lobo
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100 grams of c14 after 3 half lives ;) just divide 800\2 = 400 then 400/2 = 200 and lastly 200/2 = 100
User Brad Buchanan
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