A=b/c -b/d
a+b/d=b/c
(da+b)/d=b/c
db=(da+b)c
c=db/da+b
To find the number of half lives divide the total number of days by the number of days for 1 half live:
1104 / 138 = 8
There are 8 half lives.
To find the total amount left multiply the starting amount by 1/2 to the 8th power:
38 * 0.5^8 = 0.148 = 0.15 grams
The answer is the last one.
Answer:
What is the decent number of caloies a normal human has to digest.
Step-by-step explanation:
Answer:
108 student tickets, and 176 adult tickets were sold.
I hope I helped, and thanks for the points!
Step-by-step explanation: