kaylal978913 kaylal978913

14-04-2017
Mathematics

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Krypton-85 has a half life of 11 years. If a scientist has 500 grams of Krypton-85 in her lab and she decides not to use any for her experiments how much will remain after 50 years? (round to the nearest gram)

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20tayltri 20tayltri

14-04-2017

I got 45 grams of Krypton-85 from 500 grams

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