Powers of 10
102
100
6 x 102
600
Each batch of cookie mix need 0.4 cups of sugar, and each batch can make 16 cookies. If Ashley is making 4 batches of cookies, how much sugar does she need?
0.4 x 4 = 1.6
She needs 1.6 cups of sugar.
15.3 x 12
183.6
5.32 x 102
532
101
10
7 x 103
7,000
Ashley found 2 boxes of sugar in the kitchen. The green box is 1.26 kg, and the red box is 1.026 kg. Which box contains more sugar?
1.26 > 1.026 The green box contains more sugar.
231 x 3.9
900.9
4.2231 x 103
4,223.1
103
1,000
230 x 102
23,000
Katy earns $6.80 per hour at her baby-sitting job. On Saturday, she worked 6.5 hours. What were Katy’s total earnings for the day?
$44.20
774.6 x 4
3098.4
0.0752 x 104
752
106
1,000,000
351 x 104
3,510,000
Harry ordered 9.0 pizzas. Each pizza costs $13.95. How much does he need to pay?
$125.55
45 x 367.4
16533
4,325.201 x 101
43,252.01
101+2
1,000
9,876 x 102
What is 987,600
A road was 3.7 miles long. After rebuilding it was 2.6 times as long. How long was the road after rebuilding?
9.62 miles
5.403 x 457
2469.171
1.56 x 103
1,560