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At 6:00 AM a hospital uses its cyclotron to make 1 milligram of the isotope fluorine-18...

At 6:00 AM a hospital uses its cyclotron to make 1 milligram of the isotope fluorine-18 for use as a diagnostic tool with its PET scanner. The half-life of F-18 is 1.8 hours. How many milligrams of F-18 is left at 3:00 PM?

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N Sample after time to N = No ett Not Initial sample i decay constant 0.693 0.693 TY2 0.385 85/ home 1.9 Time, ta 6 AM to 3pm

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