Question
In nuclear medicine, a radioactive isotope is used to diagnose certain diseases. A particular isotope has a half-life of 6 hours, which means that every 6 hours, the amount of radioactive isotope is reduced by half due to radioactive decay. In one procedure, 2 milligrams (mg) of the isotope is injected into the patient. Determine: a) Express the remaining amount of the radioactive isotope as a function of time using a logarithmic exponential function. b) Determine the amount of isotope that will remain in the patient's body after 24 hours.
176
likes882 views
Answer to a math question In nuclear medicine, a radioactive isotope is used to diagnose certain diseases. A particular isotope has a half-life of 6 hours, which means that every 6 hours, the amount of radioactive isotope is reduced by half due to radioactive decay. In one procedure, 2 milligrams (mg) of the isotope is injected into the patient. Determine: a) Express the remaining amount of the radioactive isotope as a function of time using a logarithmic exponential function. b) Determine the amount of isotope that will remain in the patient's body after 24 hours.
Lurline
4.6108 Answers
**Step a:**
Given exponential decay function:
A(t) = A_0 \times \left(\frac{1}{2}\right)^{\frac{t}{h}}
For the isotope with a half-life of 6 hours:
A(t) = 2 \times \left(\frac{1}{2}\right)^{\frac{t}{6}}
A(t) = 2 \times 2^{-\frac{t}{6}}
**Step b:**
To find the amount of the isotope remaining after 24 hours:
A(24) = 2 \times 2^{-\frac{24}{6}}
A(24) = 2 \times 2^{-4}
A(24) = 2 \times \frac{1}{16}
A(24) = \frac{2}{16}
A(24) = \frac{1}{8}
**Answer:**
After 24 hours,0.125
Given exponential decay function:
For the isotope with a half-life of 6 hours:
**Step b:**
To find the amount of the isotope remaining after 24 hours:
**Answer:**
After 24 hours,
Frequently asked questions (FAQs)
Math question: Find the limit as x approaches 2 of [(2x+1)/(x-2)]
+
Question: What is the limit of (3x² + 5x - 2) / (2x - 1) as x approaches 2?
+
Math question: Find the factors of a quadratic equation x² - 9x - 10.
+
New questions in Mathematics