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Mathematics, 11.07.2021 06:40 raven82914

The half–life of rubidium–89 is 15 minutes. If the initial mass of the isotope is 250 grams, how many grams will be left after 100 minutes?

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The half–life of rubidium–89 is 15 minutes. If the initial mass of the isotope is 250 grams, how man...

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