Powers of 10
2-Digit Multiplication
3 Digit Multiplication
Multiply a Decimal
Add/Subtract Decimal
100

30 x 103

30,000

100

45 x 4

180

100

389 x 5 

1,945

100

23.4 x 4 

93.6

100

33.45 + 45.98 

79.43

200

3.8 x 102

380

200

87 x 9

783

200

257 x 9 

2, 313

200

45.7 x 8

356.6

200

27.9 + 13.4 

41.3

300

45.89 x 104

458,900

300

35 x 12

420

300

427 x 5 

2, 135

300

83.7 x 4

334.8

300

98.9 + 34.2 

133.1

400

3.8976 x 102

389.76

400

97 x 25

2,425

400

255 x 25

6,375

400

98.9 x 2

197.8

400

101.5 + 104. 6

206.1

500

150.097 x 103

150,097

500

88 x 32

2, 816

500

408 x 45

1,632

500

99.8 x 4

399.2

500

225.4+369.8

595.2

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