Situation: A 25 gram sample of a substance that's used
for drug research has a k-value of 0.1229.
Find the substance's half-life, in days.
Round your answer to the nearest tenth.
Enter the correct answer.
DONE
FO
2
N= Noe-kt
No = initial mass (at time t = 0)
N= mass at time t
k= a positive constant that depends on the
substance itself and on the units used to
measure time
t = time, in days
exit