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How many half-lives did a radioactive sample complete if 2. 5 g of a sample remains from 20 g of initial material?.

How many half-lives did a radioactive sample complete if 2. 5 g of a sample remains from 20 g of initial material?.
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How many half-lives did a radioactive sample complete if 2. 5 g of a sample remains from 20 g of initial material?.

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User MarcM
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Answer:8

Step-by-step explanation:

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User Stephen Furlani
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