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2.07 x 1 = 2.07 2.07 x 10 = 20.7 2.07 x 100 = 207 2.07 x 1,000 = 2070
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100 x 0.23 = 0.23 101 x 0.23 = 2.3 102 x 0.23 = 23 103 x 0.23 = 230
1.6
0.99
8.42x 9
75.78
Think: The place value of the decimal factor is hundredths.
14.05x 7
98.35
23.82x 5
119.10, or 119.1
4 x 9.3
37.2
13 x 0.53 =
13 = 10 + 3 0.53 = 0 + 0.53 13 x 0.53 = 10 x 0 + 10 x 0.53 + 3 x 0 + 3 x 0.53 = 0 + 5.3 + 0 + 1.59 = 6.89
27 x 89.5 =
27 = 20 + 7 89.5 = 89 + 0.527 x 89.5 = 20 x 89 + 20 x 0.5 + 7 x 89 + 7 x 0.5 = 1,780 + 10 + 623 + 3.5 = 2,416.5
Thank you for doing your homework!