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you have 600 grams of a radioactive kind of bismuth. how much will be left after 40 minutes if it's half life is 20 minutes?
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you have 600 grams of a radioactive kind of bismuth. how much will be left after 40 minutes if it's half life is 20 minutes?

User MalphasWats
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1 Answer

3 votes

we have:

0 minutes -> 600 grams

20 minutes -> 300 grams

40 minutes -> 150 grams

answer: 150 grams

User Markhorrocks
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8.0k points
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