Mathematics, 30.10.2020 19:30 katyym80

Element X decays radioactively with a half life of 9 minutes. If there are 860 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 94 grams?

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Element X decays radioactively with a half life of 9 minutes. If there are 860 grams of Element X, h...

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