whyu
Step-by-step explanation:
.whyww
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.
A. 2x+x=36
x=12
B. 2(12)+12=36
24+12=36
C. Brainliest if satisfied :D
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