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    Mathematics
  3. Study Set
    Mathematics with Applications
  4. Exam
    Exam 4: Exponential and Logarithmic Functions
  5. Question
    Solve the Problem\(289 \mathrm{mg}\) Of an Isotope Is Given By\(A(t)=289 e^{-0.027 t}\)
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Solve the Problem 289mg289 \mathrm{mg}289mg Of an Isotope Is Given By A(t)=289e−0.027tA(t)=289 e^{-0.027 t}A(t)=289e−0.027t

Question 173

Question 173

Multiple Choice

Solve the problem.
-The decay of 289mg289 \mathrm{mg}289mg of an isotope is given by A(t) =289e−0.027tA(t) =289 e^{-0.027 t}A(t) =289e−0.027t , where ttt is time in years. Find the amount left after 4 years.


A) 259
B) 253
C) 130
D) 281

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