Mathematics, 16.01.2021 16:10, bakoeboo

Element X decays radioactively with a half life of 13 minutes. If there are 530 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 11 grams?

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Element X decays radioactively with a half life of 13 minutes. If there are 530 grams of Element X,...