Solve:
7 x 2.4
16.8
12.1 x 102 =
1210
Solve:
0.2 x 0.8
0.16
Estimate the product by rounding
7.73 x 9.16 =
8 x 9, about 72
6.5 x 102 =
6.5 x 103 =
6.5 x 104 =
650
6500
65000
Solve:
5 x 0.06
0.3
9.563 x 103 =
9,563
Solve:
0.4 x 5.9 =
2.36
Estimate the product by rounding
6.23 x 3.87 =
6 x 4, about 24
Find the missing power of 10:
0.12 x ? = 120
103
Solve:
20 x 0.14
2.8
59.8 x 103 =
59,800
Solve:
0.8 x 0.44
0.352
Estimate the product by rounding
40.55 x 7.89=
40 x 8, about 320, or
41 x 8. about 328
2.5 x 103 =
2.5 x 105 =
2.5 x 102 =
2500
250000
250
Solve:
3.6 x 94
338.4
0.142 x 105 =
14,200
Solve:
12.7 x 2.6 =
33.02
Estimate the product by rounding
19.91 x 28.75 =
20 x 30, about 600, or
20 x 29, about 580
Solve and answer.
Is 1.37 x 0.2 less than 1 or greater than 1.
0.264 Less than 1
Solve:
0.44 x 53
23.32
0.06 x 106 =
60,000
Solve:
0.27 x 0.7
.189
Estimate the product by rounding
24.09 x 19.57
24 x 20, about 480 or
20 x 20, about 400
A teacher bought 15 rulers, each ruler cost 0.85 cents. She gave the cashier a $20. What was the amount of change she should get back?
$7.25