Question: l|II Use the exponential decay' equation A = A0(D.5)w', where A is the amount of a radioactive material present after time t, k is the

\\l|I\\I Use the exponential decay' equation A = A0(D.5)w', where A is the amount of a radioactive material present after time t, k is the half-life of the radioactive substance, and A0 is the original amount of the radioactive substance. Round to the nearest tenth. Iodine-131 is an isotope that is used to study the functioning of the thyroid gland This isotope has a half-life of approximately 8 days. A patient is given an injection that contains 8 micrograms of iodine-131. (a) What is the iodine level in the patient after 11 days? A = L micrograms (b) How long (in days) will it take for the iodine level to reach 3 micrograms

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