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The radioactive isotope 239 Pu has a half-life of approximately 24100 years. After 1500 years, there are 2.59 of 239 Pu. (1) What was the

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The radioactive isotope 239 Pu has a half-life of approximately 24100 years. After 1500 years, there are 2.59 of 239 Pu. (1) What was the initial quantity? (Round your answer to three decimal places.) g Incorrect. Tries 4/99 Previous Tries (2) How much of it remains after 15000years? (Round your answer to three decimal places.) :9 Tries 0/99

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