Respuesta :

choixongdong
partial products of 43 x 28

43 = 40 + 3
28 = 20 + 8

so
40 x 20 = 800
40 x 8 = 320
3 x 20 = 60
3 x 8 = 24

800 + 320 + 60 + 24 = 1204

hope that helps
good job