B. 40
Biology, 01.03.2021 17:10 adrian2006
If an isotope starts with 160 grams and 2 half-lives pass, how much is left?
A. 80
B. 40
C. 20
Answers: 2
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If an isotope starts with 160 grams and 2 half-lives pass, how much is left?
A. 80
B. 40
B. 40
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