20x42 using distributive

Question

Simplify using distributive property

Answer 1

You could look at it this way,

20 * 42 = 20 (40 +2)

 

If you distribute the 20 to 40, then to 2,and add the answers, it will turn out the same as if you just multiplied 20 *42.

Answer 2

20x42

 

20(40+2)

= 20(40)+20(2)

= 800+40 = 840