The half-life of plutonium-238 is 87.7 years.
What percentage of the atoms in a sample of plutonium-238 will remain radioactive after 263.1 years?
%
What percentage of the atoms in the same sample of plutonium-238 will have changed to another isotope after 263.1 years?
%
Answers: 3
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The half-life of plutonium-238 is 87.7 years.
What percentage of the atoms in a sample of plutonium...
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