Question

The number sent this 4×7 = 4×3+4×4 is an example of what property

Answer 1

Associative Property.

Hope that helped:D

Answer 2

This property is called Associative property. Since all they did was regroup things, this is true by the Associative Property. The word "commutative" comes from "commute" or "move around", so the Commutative Property is the one that refers to moving stuff around.