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If a sample of a radioactive isotope has a half-life of 1 year, how much of the original sample will be left at the end of the second year?
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23 votes
23 votes
If a sample of a radioactive isotope has a half-life of 1 year, how much of the original sample will be left at the end of the second year?

User Jordumus
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1 Answer

12 votes
12 votes

Answer:

1/4 of the original

Step-by-step explanation:

That would be TWO half lives:

1/2 * 1/2 = 1/4 <======= 1/4 would be left

User Sbottingota
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