Powers of 10
102
100
10x2
20
20 x 30 =
600
3 x 102 =
300
42 x 5 =
210
105
100,000
2x7
14
400 x 2 =
800
5 x 104 =
50,000
56 x 3 =
168
104
1,000
7x8
56
250 x 30 =
7,500
12 x 103 =
12,000
62 x 6 =
372
103
1000
42
800 x 50
40,000
53 x 105=
5,300,000
87 x 9 =
783
102
100
8x9
72
60 x 500
300,000
42 x 103 =
42,000
286 x 7 =
2002