From the attached graphic, Half-life = ln (.5) / k
Half-life =.693147 / <span>0.1142
= </span><span><span><span>6.0695884413
</span>
days
The value of "k" should be negative and should have units associated with it.
</span>
</span>
So John is driving 60 miles per hour. So John would get their in 4 hours and 25-30 min
Answer: i am pretty sure the answer is either A or C
Step-by-step explanation:
Step-by-step explanation:
N=km
72=k×48
72=48k
k=72/48
k=1.5
N=1.5m
N=1.5×144
N=216