10mg of a radioactive substance with a half-life of 20 hours is injected into a patient's bloodstream. The patient returns to the medical facility after 24 hours and a technician determines that there are 2mg of the substance in the patient's pancreas. How much of the substance is in the remainder of the patient's body? 4.35 mg 2.35 mg O B O A 1.35 mg 3.35 mg O D

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