2m ∙ 2n would be the same as 4 mn 2 mn 2 m + n 2 m - n

4mn

Step-by-step explanation:

This is because 2*2 equals 4 and you can't multiply m and m because their not like terms. So the answer is 4mn.

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)