Mathematics, 06.06.2020 06:00, calmicaela12s

Element X decays radioactively with a half life of 7 minutes. If there are 130 grams of Element X, how long, , would it take the element to decay to 5 grams?

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Element X decays radioactively with a half life of 7 minutes. If there are 130 grams of Element X, h...