To calculate what is asked we use the formula for radioactive decay. It is expressed as follows:
An = Ao (e^(-kt))
We calculate as follows:
An = Ao (e^(-kt))
74 = 100 (e^(-k(10)))
k = 0.0301
1/2 = (e^(-0.0301t))
t = 23 hours
Hope this answers the question.
Answer:
C. (0, 7)
Step-by-step explanation:
Just use a graphing calculator.
You will lay the yardsrick down flat & see how many inches the rug is, if needed , do it multiple times and add inches together.
Disbeylover us right, the answer is n÷11. I hope this helps
(W-3)(w+3)
——————-
(w-7)(w+3)