Answer:
The substance half-life is of 4.98 days.
Step-by-step explanation:
Equation for an amount of a decaying substance:
The equation for the amount of a substance that decay exponentially has the following format:
In which k is the decay rate, as a decimal.
k-value of 0.1392.
This means that:
Find the substance's half life, in days.
This is t for which 
. So
The substance half-life is of 4.98 days.
When rounded off then it comes
382.2-297.3=84.9
The answer is 7. That's the answer
Hello :) = Merhaba :)
Answer:
<h3><u><em>
83°</em></u></h3>
Step-by-step explanation:
The total angle of a polygon and its external angle must be 180°.
So the inner angle of this polygon:
180 - 97 = 83° would.
NOTE: I'm not American. I'm just a Turk who wants to help you. So if my sentences are wrong, please forgive me.
<em><u>#Cevapistevereyim</u></em>
Başarılar :) = Achievements :)
(a/b) x (c/d) = (a*c)/(b*d)
Therefore:
(9/4) x (1/3) = (9*1)/(4*3) = 9/12 = 3/4
Answer:
3/4
