At 7:00 A.M., a patient receives a 1.40-mg dose of I-131 to treat thyroid cancer. Part A If the nuclide has a half-life of 8.0 days, what mass of the nuclide remains in the patient at 2:00 P.M. the next day? (Assume no excretion of the nuclide from the body.) Express your answer in milligrams to two significant figures. m = ΨΕ ΑΣΦ ∞ ? mg

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