Mathematics, 10.10.2021 22:30 electrofy456
An unknown radioactive element decays into non-radioactive substances. In
740 days the radioactivity of a sample decreases by 33 percent.
(a) What is the half-life of the element?
(b) How long will it take for a sample of 100 mg to decay to 59 mg?
Answers: 2
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An unknown radioactive element decays into non-radioactive substances. In
740 days the radioactivi...
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