Solve the Problem. -The Decay of 667 Mg of an Isotope Is Given

question 209

Multiple Choice

Solve the problem.
-The decay of 667 mg of an isotope is given by A(t) = 667e-0.015t, where t is time in years since the initial amount of 667 mg was present. Find the amount (to the nearest milligram) left after 24
Years.

• A) 657
• B) 458
• C) 233
• D) 465

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