A45 gram sample of a substance that's used
to preserve fruit and vegetables has a k-value
of 0.1109.
n = noe-kt
no = initial mass (at time t = 0)
n= mass at timet
k= a positive constant that depends on the
substance itself and on the units used to
measure time
t= time, in days

what is the substance’s half-life, in days?