A supply of fluorodeoxyglucose (FDG) arrives at a positron emission tomography clinic at 8 am. At 4 pm, when you arrive

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A supply of fluorodeoxyglucose (FDG) arrives at a positron emission tomography clinic at 8 am. At 4 pm, when you arrive

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A Supply Of Fluorodeoxyglucose Fdg Arrives At A Positron Emission Tomography Clinic At 8 Am At 4 Pm When You Arrive 1
A Supply Of Fluorodeoxyglucose Fdg Arrives At A Positron Emission Tomography Clinic At 8 Am At 4 Pm When You Arrive 1 (23.94 KiB) Viewed 38 times
A supply of fluorodeoxyglucose (FDG) arrives at a positron emission tomography clinic at 8 am. At 4 pm, when you arrive at the clinic to get a PET scan, the activity level of the FDG has dropped significantly because of the 110 minute half-life of the radioactive fluorine. Considering equal masses of FDG at 8 am and 4 pm, by what factor has the activity level been reduced by 4 pm? Note that another way to ask the same question is to say that we're looking for the ratio of the initial activity to the activity at 4 pm. The level has been reduced by a factor of
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