Mathematics, 06.02.2021 01:00 eggoysters

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

Answers: 3

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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...