Mathematics, 27.05.2021 07:50 lizzy4858

Element X decays radioactively with a half life of 9 minutes. If there are 960 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 20 grams

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Element X decays radioactively with a half life of 9 minutes. If there are 960 grams of Element X, h...

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