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Mathematics, 11.05.2021 03:00 jenhowie2944

Element X decays radioactively with a half life of 14 minutes. If there are 490 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 123 grams?

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Element X decays radioactively with a half life of 14 minutes. If there are 490 grams of Element X,...
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