Situation: Find the substance's half-life, in days.
Round your answer to the nearest tenth.
A 45 gram sample of a substance that's
used to sterilize surgical instruments has
a k-value of 0.15.
Enter the correct answer.
N = Noekt
이
DONE
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

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