Powers of 10
whole x decimal
decimal x decimal
decimal/whole
powers of 10 division
100

5.8 x 10

58

100

3.2 x 2

6.4

100

5.2 x 3.8 

19.76

100

8.2/2

4.4

100

5.5 ÷ 10 =

.55

200

66.3 x 10

663

200

6.7 x 13

87.1

200

2.6 x 1.3 

3.38

200

0.9 ÷ 3

0.3

200

6.3 ÷ 10

0.63

300

18.2 x 100

1,820

300

5.93 x 9

53.37

300

56.2 x 2.2

123.64

300

7.5 ÷ 5 =

1.5

300

3.9 ÷ 10 =

0.39
400

0.03 x 1000

30

400

6.887 x 3

20.661

400

6.6 x 4.2

27.72

400

7.8 ÷ 2 =

3.9

400

3.3 ÷ 100

0.033

500
3.7 x 1000

3,700

500

8.8 x 33

290.4

500

3.9 x 7.4 

28.86

500

4.8 ÷ 3 =

1.6 

500

4.4 ÷ 100

0.044