Math Problem Statement
An isotope of technetium is used to prepare images of internal body organs. This isotope has a half-life (time required for half the material to erode) of approximately 6 h. If a patient is injected with 30 mg of this isotope, what will be the technetium level in the patient after 4 h? Use the function A(t) = 30
1 2 t/6
, where A is the technetium level, in milligrams, in the patient after t hours. Round to the nearest tenth of a microgram.
Solution
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Math Problem Analysis
Mathematical Concepts
Exponential Functions
Half-life
Formulas
Exponential decay formula A(t) = A0 * (1/2)^(t/T)
Theorems
-
Suitable Grade Level
Grades 10-12
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