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A certain radioactive nucleus undergoes exponential decay with a half-life of 10 days. The fraction of the initial sample that remains after 2 half lives?
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A certain radioactive nucleus undergoes exponential decay with a half-life of 10 days. The fraction of the initial sample that remains after 2 half lives?

User Yerme
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1 Answer

4 votes
after 1 half life you have 50 percent remaining
after 2 half lifes you have 25 percent remaining
User UVM
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