Multiplication is just shorthand for multiple additions. so 2x4 is actually 4+4. If you expand out the multiplication the above equation becomes 2+4+4. It's not arbitrary, it's just what multiplication represents.
Multiplication is just shorthand for multiple additions. so 2x4 is actually 4+4. If you expand out the multiplication the above equation becomes 2+4+4. It's not arbitrary, it's just what multiplication represents.