Documents 23 x 12 2x2 Foil (LIOF) 23 x 12 1) The last number is the units digit of the product of the unit’s...

Slide 123 x 12 2x2 Foil (LIOF) 23 x 12 1) The last number is the units digit of the product of the unit’s digits 2) Multiply the outside, multiply the inside 3) Add the…