lai16kk77
07.04.2021 •
Mathematics
You have 40 grams of a radioactive kind of europium. If its half-life is 5 years, how much will be left after 10 years?
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Ответ:
30, 60, 90
Step-by-step explanation:
Factors of 30: (1,2,3,5,6,10,15,30)
Factors of 60: (1,2,3,4,5,6,10,12,15,20,30,60)
Factors of 90: (1,2,3,5,6,9,10,15,18,30,45,90)