Hi,
To find the volume of cylinder this formula is required.

To get radius you need to divide diameter with 2 like this.

Now just put your values into formula.

You will need 653451.27 cubic centimetres of concrete.
Hope this helps.
r3t40
Answer:
10
Step-by-step explanation:
-80 / -8 = 10
the negatives cancel each other out
Answer:
7.39 ( nearest hundredth )
Step-by-step explanation:
Using the rule of logarithms
= n ⇔ x = 
Note that ln x represents
x
given 6 + ln x = 8 ( subtract 6 from both sides )
ln x = 2 ⇒ x =
≈ 7.39
Answer would be: B.) 3/8 cup