Multiply these decimals. 7 x 2.4
16.8
12.1 x 102
1210
Multiply these decimals: 0.2 x 8
1.6
Estimate the product by rounding
7.73 x 9.16 =
70.80 about 72
6.5 x 102 =
6.5 x 103 =
6.5 x 104 =
650
6500
65000
Multiply these decimals. 0.5 x 0.6
0.3
9,563 x 103 =
9563000
Multiply 4.0 x 5.9 =
23.6
Estimate the product by rounding
6.23 x 3.87 =
about 24
0.12 x 7 =
0.84
Multiply these decimals. 2.06 x 0.14
.2884
59.8 x 103 =
59,800
Multiply these decimals: 0.8 x 0.4
0.32
Estimate the product by rounding
40.55 x 7.89=
about 328
2.5 x 103 =
2.5 x 105 =
2.5 x 102 =
2500
250000
250
3.6 x 9.4
33.84
14.2 x 105
1420000
Multiply these decimals. 12.7 x 2.6 =
33.02
Estimate the product by rounding
19.91 x 28.75 =
about 580
Is 1.37 x 0.2 less than 1 or greater than 1.
0.264 Less than 1
Multiply these decimals. 4.4 x 5.3
23.32
0.6 x 106
600,000
Multiply these decimals. .27 x .7
.189
Estimate the product by rounding
24.09 x 12.57
about 312
A teacher bought 15 rulers, each ruler cost 0.85 cents. What was the total cost of the all the rulers she bought.
$12.75