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The half life of iodine-125 is 60 days. If there was 4000 g of Iodine-125 to start, how much would be left after 360 days?
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The half life of iodine-125 is 60 days. If there was 4000 g of Iodine-125 to start, how much would be left after 360 days?

User Dwight Rodriques
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1 Answer

3 votes
360 days = 6 half lives
4000/(2^6) = 62.5
There would be 62.5g left
User Heyr
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