The more digits you have the bigger the number, unless you have a long decimal, and in that case only is the number smaller in value.
Step-by-step explanation:

To the nearest square foot is the same as to the nearest whole number. That would be 63.
V = (4/3)π.R³
Diameter - 24 units so Radius = 24/2 = 12 Inits
V= (4π/3).12³ =(4π/3). 1728
V=1728 x 4/3 x π = 2,304.π units³
Humans are made out of many things; such as: carbon, hyrdogen, nitrogen, oxygen, calcium, and phosphorus. Those are just the composition of the body. We are also made out of 70% of water, a child will have 300 bones and an adult will have 206 bones, four basic types of tissue, and muscle.
Hope this helped!