Question

What is 78x98 with work shown

Answer 1

8*8=64

70*8= 7*8*10=56*10=560

90*8= 9*8*10=72*10=720

90*70=9*7*100=63*100=6300

6300+64+560+720= 7643 or 7644

Explanation:

Took my a little while

Answer 2

8*8=64
70*8= 7*8*10=56*10=560
90*8= 9*8*10=72*10=720
90*70=9*7*100=63*100=6300
6300+64+560+720= 7644