16.2 milliliters of the soft drink is left in the person's system
Explanation:Parameters:
• The half-life of the soft drink = 8 hours
,• Drinks by a person = 50 milliliters
,• The amount of drink left in the person's system after t hours is given as:
[tex]y=50(0.5)^{\frac{t}{8}}[/tex]After 13 hours (i.e t = 13), the amount of drink left in the person's system is:
[tex]\begin{gathered} y=50(0.5)^{\frac{13}{8}} \\ =50(0.5)^{1.875} \\ =16.2 \end{gathered}[/tex]16.2 milliliters of the soft drink is left in the person's system