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5. The Half-life of cobalt-60 is 5 years. What fraction of a sample remains after 20 years? a.One half b. One quarter c.One eighth d. One sixteenth
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5. The Half-life of cobalt-60 is 5 years. What fraction of a sample remains after 20 years?

a.One half
b. One quarter
c.One eighth
d. One sixteenth

User Panwen Wang
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8.0k points

1 Answer

6 votes
B but correct me if Iā€™m wrong
User Morels
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