Answer:
funny
Step-by-step explanation:
funny
38 samples per hour is your answer
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
I think its B. Because 396 divided by 3 equals 132 (there's 3 feet in a yard)
Opposite of 90* would be equivalent to the square root of the other sides