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Situation:

A 30 gram sample of a substance thats used for to sterilize surgircal instruments has a k-value of 0.1253.

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


Find the substance's half-life,in days.Round your answer to the nearest tenth. ...?