If the half-life of a radioactive element is 30.0 years, how long will it take to decay to the point where the activity is 70.0% of the original value?
If the half-life of a radioactive element is 30.0 years, how long will it take to decay to the point where the activity is 70.0% of the original value?
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.76E
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If the half-life of a radioactive element is 30.0 years, how long will it take to decay to the point where the activity is 70.0% of the original value?
5.0 years, 12.2 years, 15.4 years, 30.8 years, 86.1 years
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