ANSWER

EXPLANATION
We use the formula

For

and n=8, r=4.

This simplifies to

We expand the numerator using factorial notation,

The common factors cancel out.


Answer:
(Approximation to the nearest thousandth)
Step-by-step explanation:
The area of a cylinder can be determined by the formula:
(We know that the radius, r, is 2m, and the height, h, is 5m, so we can substitute them into the formula to calculate the volume of this cylindrical tank)
(Simplify)

(Approximation to the nearest thousandth)
Answer: 9 pieces of ribbon
Explanation: 4.5 / 0.5 = 9
Answer:
is there anything else to the question?
Step-by-step explanation:
7/10 times 3/6 is 21/60 just multiply a cross