Powers of 10
4.7 x 10 =
47
4.2 x 3 is approximately...
4 x 3 = 12
0.6 x 7 =
4.2
Samantha buys 3.5 meters of ribbon to decorate gift boxes. If she buys 4 boxes with the same length of ribbon, how many meters of ribbon does she need in total?
14 meters
0.356 x 100 =
35.6
31.86 x 5 is approximately...
30 x 5 = 150
3.5 x 0.4 =
1.4
A bakery sells 2.75 pounds of flour in each bag of cake mix. If the bakery uses 6 bags for a big order, how many pounds of flour do they use in total?
16.5 pounds
0.0073 x 102 =
0.73
48 x 3.6 is approximately...
50 x 4 = 200
2.7 x 4.2 =
11.34
A farmer buys 5.6 pounds of seeds to plant in each row of his garden. If he plants 8 rows, how many pounds of seeds does he use in total?
44.8 pounds
12.048 x 105 =
1,204,800
21.07 x 3.9 is approximately...
20 x 4 = 80
4.76 x 3.2 =
15.232
A car consumes 0.84 gallons of fuel per mile. If the car drives 125 miles on a road trip, how many gallons of fuel does it use in total?
105 gallons
A science class is studying bacteria growth. Under a microscope, students observe a single droplet of pond water. Each droplet contains 0.0042 milliliters of water.
The teacher collects 10³ droplets of pond water.
The students discover that each milliliter of water contains 10 bacteria clusters.
How many bacteria clusters are in all the pond water collected?
42 bacteria clusters
0.48 x 14.2 is approximately...
4.32 x 1.98 =
8.5536
A factory produces 12.45 kilograms of chocolate every hour. If the factory runs for 48 hours straight, how many kilograms of chocolate will it produce in total?
597.6 kilograms