angiezavala61
30.07.2019 •
Biology
Assume you began with 10 g of a radioactive parent isotope. how many grams of parent isotope will be present in the sample after 2 half-lives?
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Ответ:
10÷2=5
5÷2=2.5
everytime it completes a half life, you divide the number by two
Ответ: