For 135. mg of fluorine-18 is shipped at 10:00 A.M, the milligrams of the radioisotope are mathematically given as
A(t)=67.5mg
What is the mass in milligrams of the radioisotope is still active after 110 min?
Generally, the equation for the formula for the half-life is mathematically given as
[tex]A(t)=A_0( \frac{1}{2})^{ \frac{T}{t_{ \frac{1}{2} }}.[/tex]
Therefore
[tex]A(t)=A_0( \frac{1}{2})^{ \frac{110}{18 }}.[/tex]
A(t)=67.5mg
In conclusion, mass in milligrams
A(t)=67.5mg
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