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Mathematics, 25.01.2021 21:50 AdoNice

An element with a mass of 840 grams decays by 22.9% per minute. To the nearest minute, how long will it be until there are 70 grams of the element remaining?

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An element with a mass of 840 grams decays by 22.9% per minute. To the nearest minute, how long wil...
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