Answer: this should be the answer
1.25992104
Step-by-step explanation:
Answer:
The amount present in a sample of 401 grams after 25 years is
Step-by-step explanation:
we have
A(t) -----> the amount, in grams, of polonium 210 present in a given sample
t -----> the time in years

we know that
To find out the amount present in a sample of 401 grams after 25 years, substitute the value of t=25 years in the equation and solve for A(t)
For t=25 years
Ne demek istoyusun anlamadım derslerinde başarılar dilerim
Step-by-step explanation:
c) since m = undefined => the equation is
x = -2
d) the equation is
y-2= -1/7 (x+7)
=> y = -1/7 x -1+2
<=> y = -1/7 x + 1
The answer is A because it is