Decimals X Powers of 10
42.3 X 10
423
27.4 X 7
191.8
0.2 X 0.9
0.18
0.8 X 0.5
0.4
Did they put the decimal in the correct spot?
0.6 X 0.7 = 0.042
No should be 00.42
7.25 X 103
7,250
1.7 X 12
20.4
0.58 X 0.3
0.174
0.2 X 4.6
0.92
Did they put the decimal in the correct spot?
19 X 8.3 = 157.7
Yes
14.8 X 0.01
0.148
4.02 X 9
36.18
2.5 X 0.77
1.925
15.3 X 6.4
97.92
Did they put the decimal in the correct spot?
56.2 X 7.9 = 4,439.8
No should be 443.98
6.1 X 0.01
0.061
46 X 0.46
21.16
0.07 X 1.2
0.084
7.9 X 6.8
53.72
Where should the decimal point go?
4.06 X 20.1 = 81606
81.606
843.5 X 103
843,500
195 X 5.7
1,111.5
0.13 X 0.5
0.065
1.6 X 26.1
41.76
Where should the decimal point go?
24 X 6.3 = 1512
151.2