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QUESTION
A device used in radiation therapy for cancer contains 0.50 g of cobalt _27^60 text(Co) (59.933 819 u). The half-life of _27^60 text(Co) is 5.27 yr....
A device used in radiation therapy for cancer contains 0.50 g of cobalt _27^60 text(Co) (59.933 819 u). The half-life of _27^60 text(Co) is 5.27 yr. Determine the activity of the radioactive material.
