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If the half-life of a radioactive isotope is 5,000 years, how many grams of the radioactive isotope in a specimen will be left after 10,000 years if you start off with 100 grams of the radioactive isotope?
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If the half-life of a radioactive isotope is 5,000 years, how many grams of the radioactive isotope in a specimen will be left after 10,000 years if you start off with 100 grams of the radioactive isotope?

User Shamas
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You would end up with 25 grams of the radioactive isotope.
User ManInMoon
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