Solve the problem.The decay of 431 mg of an isotope is given by A(t) = 431e-0.032t, where t is time in years. Find the amount left after 32 years.
A. 78 mg
B. 150 mg
C. 155 mg
D. 417 mg
Answer: C
Mathematics
A. 78 mg
B. 150 mg
C. 155 mg
D. 417 mg
Answer: C