Chemistry, 04.11.2021 14:00 marisolrojo2002

cobalt-60, an isotope that emits gamma rays is used to treat cancer and had a half life of 5.27 years. After 15.81 years,, how much of an original sample of cobalt-60 remains?

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cobalt-60, an isotope that emits gamma rays is used to treat cancer and had a half life of 5.27 year...