Plutonium-239 is a fissionable material used in the construction of nuclear weapons and has a half-life of
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Plutonium-239 is a fissionable material used in the construction of nuclear weapons and has a half-life of 24,100 years. Approximately 2 × 104 kg of plutonium is produced per year. How long would it take for 99.99% of the plutonium produced in one year to decay?
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