Solving the exponential function, it is found that the times that will take to have the desired measures are given by:
a) 3.6 hours.
b) 38.51 hours.
c) 56.98 hours.
<h3>What is the exponential function for the amount of Carbon-10 after t hours?</h3>
The function is given by:
Solving for t, we have that:
In item A, we have that A(t) = 123, hence:
t = 3.6 hours.
In item B, we have that A(t) = 35, hence:
t = 38.51 hours.
In item C, we have that A(t) = 18, hence:
t = 56.98 hours.
More can be learned about exponential functions at brainly.com/question/25537936
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