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Question A certain radioactive sample initially has 10, 000 unstable nuclei in it at time t = 0. At time t = 20 yr, 2500 remain. Approximately how many nuclei will still not have decayed at time t = 30 yr? (a) 625 (b) 833 (c) 1111 III, but not. II (d) 1250 of 1, 11, or III (0) 1667

Question A certain radioactive sample initially has 10, 000 unstable nuclei in it at time t = 0. At time t = 20 yr, 2500 remain. Approximately how many nuclei will still not have decayed at time t = 30 yr? (a) 625 (b) 833 (c) 1111 III, but not. II (d) 1250 of 1, 11, or III (0) 1667

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Question 10:creasing the re A certain radioactive sample initially has 10,000 unstable 20 yr, 2500 remain. nuclei in it at time t = 0. At time t Approximately how many nuclei will still not have decayed at time t = 30 yr? = (a) 625 (b) 833 (c) 1111 (d) 1250 (e) 1667 III, but not II
Transcribed Image Text:Question 10:creasing the re A certain radioactive sample initially has 10,000 unstable 20 yr, 2500 remain. nuclei in it at time t = 0. At time t Approximately how many nuclei will still not have decayed at time t = 30 yr? = (a) 625 (b) 833 (c) 1111 (d) 1250 (e) 1667 III, but not II
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