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Asked by henry

If half life of iodine 131 is 8 days, how much from 32g remain after 40 days (5 half lives).
9 years ago

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Answered by Steve
1/2^5 = 1/32 of the original amount
9 years ago
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If half life of iodine 131 is 8 days, how much from 32g remain after 40 days (5 half lives).

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