Hello There! Whole numbers are "ALWAYS" Integers
B) since 1950 is between 1281 and 2796 add the two valves together and then divide them by two
Not sure of A so ..
Given ↓
<h3>To Find ↓</h3>
<h3>
Calculations ↓</h3>

↑ formula for volume of a sphere
r = 5 in
Plug in the value of r and solve :

Simplify as follows :


Final Step :

