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A Sample of I-131 Decays from 12 Microcuries to 3

Question 34

Multiple Choice

A sample of I-131 decays from 12 microcuries to 3.0 microcuries in 16 days.What is the half-life of I-131?

A) 16 days
B) 8.0 days
C) 32 days
D) 64 days
E) 4.0 days

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