Alex has a block of wood that is in the shape of a prism with the dimensions shown. He cuts a 10-cm square hole through the center of the prism. What is the volume of the remaining solid?

here is the link for the picture of the prism
https://cdn. ple. platoweb. com/EdAssets/1fe4166407db410e940194 ac116303fb?ts=636204249159200000

Choose the more precise measurement. 26.4 cm or 8.39 cm

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

The radius of a sphere is 3 inches. which represents the volume of the sphere?