63

The sector is

; there are 360 degrees in a circle.
You use the formula

.
18cm is the radius, and then you square it to get 324.
Multiply 324 by

You get 63
Answer: 452.16 or just 452 units^3
Step-by-step explanation:
V= πr^2*h
using 3.14 like the problem asks could effect what you're rounding to but either way pi(6)^2=113.04 *4= 452.16
Answer:
A
Step-by-step explanation:
Add the number of decimal places of the two numbers being multiplied to know the number of decimal places of the product.
A: 3.48 x 42.37 = 147.4476
2 decimal places + 2 decimal places = 4 decimal places
Only choice A is correct.