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The Initial Decay Rate of a Nuclide Is 1

Question 96

Multiple Choice

The initial decay rate of a nuclide is 1.77 × 1012/m.After 7.63 d,the decay rate is 1.82 × 1011/m.What is the half-life of the isotope?


A) 139 d
B) 0.298 d
C) 0.207 d
D) 2.32 d
E) 2.50 d

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