A 33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473.N= Noe^-ktN0= initial mass (at time t = 0)N= mass at time tk=a positive constant that depends on the substance itself and on the units used to measure timet=time, in daysFind the substance's half-life, in days.Round your answer to the nearest tenth.