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Multiplying and Dividing Decimals
Multiplying and Dividing by Powers of 10
Percents and Decimals
Percent of a number
Fractions
100
8.03 x 3
24.09
100
4.5 x 100
450
100
Change to a decimal: 39%
.39
100
Estimate 21% of 30
6
100
1 and 2/3 times 3 and 3/5
18/3
200
2.64 x 1.4
3.696
200
0.56 x .1
0.056
200
Change to a percent: .045
4.5%
200
Estimate 32% of 50
15
200
3/4 + 2/3 x 3/2
7/4
300
7.2 / 3
2.4
300
12.8 x 0.001
.0128
300
Change to a Percent: .00067
.067%
300
Estimate 41% of 300
120
300
3/5 + 2/9 x 2/3
14/15
400
3.45 / 15
0.23
400
7.586 / 1000
0.007586
400
Change to a Decimal: .0042%
.000042
400
Find the exact: 23% of 40
9.2
400
16/5 x 10/3 divided by 3/2
64/9
500
16.848 / 0.72
23.4
500
41.4 / 0.01
4140
500
Change to a Decimal: .00093%
.0000093
500
Find the exact: 33% of 68
22.44
500
10/5 x 4/3 divided by 3/2 +6/5
134/45