Hi
i just saw your massage just now and you asked for help
so,there is my answer
S=8/100*2000/1
s=160+3840
A=4000
No the square root of 16 is 4 which is a whole number therefore it is rational not irrational
Answer: The volume of shell is 12.8π mm².
Step-by-step explanation:
Since we have given that
Radius to the inside of the shell = 4 milimeters
Radius to the outside of the shell = 4.2 milimeters
Since r changes from 4 mm to 4.2 mm
so, 
As we know that
Volume of shell is given by
So, the volume of shell is 12.8π mm².
27/2=13.5(radius)
area: pi*r*r=
pi*13.5*13.5=
572.55526
rounded, 572.56
circumference: 2*pi*r(which is basically diameter times pi)
27pi=84.823
rounded, 84.82
Sometimes, because if you have a negative number than the opposite is positive and more. Then if you have a positive number it will be negative and therefore less.
