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The half-life of a radioactive kind of antimony is 60 days. If you start with 720 grams of it, how much will be left after 180 days?
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The half-life of a radioactive kind of antimony is 60 days. If you start with 720 grams of it, how much will be left after 180 days?

User Emanuele Giona
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HALF-LIFE Equals is 30
User Dingdingding
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The answer would be 90 because it takes 60 days to become a half-life so the the half of 720 is 360 the 180 then 90
User Atzmon
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