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Mathematics, 09.05.2021 23:30 BigCra

Element X decays radioactively with a half life of 13 minutes. If there are 260 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 15 grams?

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Element X decays radioactively with a half life of 13 minutes. If there are 260 grams of Element X...

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