Concept explainers
Technetium-99m (abbreviated
) is a short-lived gamma-ray emitter that is used in nuclear medicine. Suppose that a patient is given a small amount of
a. If 94% of the technetium has decayed after 24 hr (that is, 6% remains), determine the value of k. Round to 3 decimal places.
b. If 30
c. Determine the amount of the time required for the amount of
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College Algebra (Collegiate Math)
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