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Radioactive Decay: How Many Days Are Required for a Radioactive

Question 49

Multiple Choice

Radioactive decay: How many days are required for a radioactive sample, with a half-life of 5.7 d and an initial activity of 1.07 × 105 Bq, to decay to an activity of 100 Bq?


A) 57 d
B) 46 d
C) 68 d
D) 39 d

Correct Answer:

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