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Lodine-131 is radioactive. If after 160 days only 1/8 of the sample remains, how long is its half-life? A. 92.2 days B. 20 days C. 53.3 days D. 16 days
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Lodine-131 is radioactive. If after 160 days only 1/8 of the sample remains, how long is

its half-life?
A. 92.2 days
B. 20 days
C. 53.3 days
D. 16 days

User Aremyst
by
5.9k points

1 Answer

3 votes
The answer is B 20 days. 2021
User Tbking
by
6.7k points
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