Divide 315,530,612 by 3,539,225 to get 89 people per square mile (rounded)
Volume of a spehere=(4/3)πr³
Data:
diameter=3.5 in
π=3.14
1)we calculate the radius:
r=diameter/2=3.5 in / 2=1.75 in
2) we calculate the volume of this sphere:
volume=(4/3)*3.14*(1.75 in)³=22.4379...in³≈22.44 in³.
Answer: 22.44 in³
Answer: 35.8 seconds
Step By Step:
13.6
+12.2
———
35.8
