Powers of 10
Estimate
Multiply-1 decimal
Multiply- 2 decimals
100

0.07 x 102

7

100

23 x 2.9

60

100

5 x 61.3

306.5

100

2.3 x 9.5

21.85

200

10x 4.879

4879

200

0.47 x 37

20

200

8.09 x 7

56.63

200

7.4 x 2.9

21.46

300

100 x 3.2

320

300

8 x 91.3

720

300

3.42 x 11

37.62

300

4.31 x 5.2

22.412

400

10x 0.008

0.8

400

0.83 x 36

40

400

49.5 x 8

396

400

84.6 x 4.3

363.78

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