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10 votes
10 votes
If you start with 20 kg of a radioactive isotope, calculate how much of the original isotope is left after one half-life has elapsed? Write your answer in decimal kg, and as a fraction of the original.

User Lazaro Gamio
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1 Answer

11 votes
11 votes

Answer:

Original price: $

54

Step-by-step explanation:

cuz

User ElementW
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