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OpenStudy (anonymous):
The plutonium isotope Pu-239 is a radioactive material. The half-life of plutonium isotope Pu-239 is 24, 360 years. If 10 grams of plutonium were released in nuclear accident, how long will it take for the 10 gram to decay to 1 gram? Round off your answer to the nearest year.
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OpenStudy (anonymous):
|dw:1345852097039:dw| t = 80,939 years
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