<span>4000 feet is around 1.2192 km which is more than 1 km. So 4000 feet is longer.</span>
The volume of a sphere of radius r is given by

For your given conditions, the volume of 1/2 a sphere becomes

Seems to match your 2nd choice:
... 1 over 24 over 322 over 7(83)
He will only need approximately 118 cartons
Hope this helps!
Answer:7
Step-by-step explanation: