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Fermium-253 Has a Half-Life of 3

Question 21

Multiple Choice

Fermium-253 has a half-life of 3.00 days. A sample of fermium has 7.37 × 107 nuclei. How long will it take for there to be only 3.36 × 106 fermium nuclei in this sample?


A) 2.75 days
B) 9.80 days
C) 13.4 days
D) 15.7 days
E) 58.6 days

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