meramera50
meramera50
08.12.2021 • 
Mathematics

To check for a blockage in a patient's veins, 2.25 ml of a radioactive liquid with a half-life of 2.2 hours is injected into the patient's blood stream. If the liquid is administered at 7:00 am, at what time will the amount of the liquid decrease to 0.41 ml?

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