阿摩線上測驗
37. After 1176 years, 75% of the radioactive nuclides in a particular sample of an isotope have decayed. What is the half-life of this radioactive isotope?
(A) 588 years
(B) 392 years
(C) 2352 years
(D) 294 years
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統計： A(5), B(0), C(0), D(2), E(0) #3577926
統計： A(5), B(0), C(0), D(2), E(0) #3577926
