A patient ingests 1.53 mg of 131I (iodine-131), a beta emitter with a half-life of 8.0 days. Assuming that none of the 131 I is eliminated from the person's body in the first 4.0 hours of treatment, what is the exposure (in Ci) during those first four hours? Express your answer using two significant figures. ▸ View Available Hint(s) exposure = VAZ ΜΕ ΑΣΦΑ ? Ci
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