demonsponn demonsponn
  • 12-04-2022
  • Chemistry
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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

Respuesta :

myagonzales4 myagonzales4
  • 12-04-2022
B but correct me if I’m wrong
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