If the half-life of an element is 67 yr and the initial quantity is 3 kg, write a function of the form Q(t) = Qe^kt to model the

Question

If the half-life of an element is 67 yr and the initial quantity is 3 kg, write a function of the form Q(t) = Qe^kt to model the quantity the element left after t years. Round k to 4 decimal places.
Select one:
a. Q(t)=67e^-0.0103t
b. Q(t)=67e^-0.0034t
c. Q(t) = 3e^-0.0103t
d. Q(t) = 3e^-0.0034t

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