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Problem- PET studies require fluorine-18, which is produced in a cyclotron and decays with a half-life of 1.83 hours.

Assuming that the F?18 can be transported at 61.0 miles/hour, how close must the hospital be to the cyclotron if 63% of the F?18 produced is to make it to the hospital?

I just need a general explanation of it please- Thanks

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