5-2 Multiplying with Zeros

10 x 3,000

30 x 40

800 x 200

3,000 x 50

8,000 x 120

40 x 50

6,000 x 5,000

100 x 7

900 x 60

30,000 x 10

120 x 4,000

700 x 7,000

30 x 600

9,000 x 9,000

100 x 45

23 x 1,000

6,000 x 40,000

31 x 1,000

70 x 1,000

40 x 40,000