A machine called a PET Scanner (for “Positron Emission Tomography”) creates 3-D medical images to help doctors see inside patients without performing surgery. Different radioactive compounds such as Technetium-99m, are given to the patient to highlight particular internal features. If the exponential decay of Technetium-99m has a half-life of about six hours, which of these could be the graph for a treatment of one milligram of Technetium-99m?

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anonymous · Answer

@amanda7414 
could u help?