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Solve the Problem 163mg163 \mathrm{mg} Of an Isotope Is Given By A(t)=163e−0.014t\mathrm{A}(\mathrm{t})=163 \mathrm{e}^{-0.014 \mathrm{t}}

Question 186

Multiple Choice

Solve the problem.
-The decay of 163mg163 \mathrm{mg} of an isotope is given by A(t) =163e−0.014t\mathrm{A}(\mathrm{t}) =163 \mathrm{e}^{-0.014 \mathrm{t}} , where t\mathrm{t} is time in years. Find the amount left after 13 years.


A) 136
B) 161
C) 134
D) 68

Correct Answer:

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