Mathematics, 24.06.2019 03:00 andrewblack033

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? a. 2.46 grams b. 0.0098 grams c. 0.90 grams d. 225.31 grams

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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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