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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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Nov 21, 2023
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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
Chemistry
high-school
Panwen Wang
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Panwen Wang
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B but correct me if I’m wrong
Morels
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Nov 27, 2023
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Morels
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