Multiplying Decimals (5.3 D/E)

Mia's dog weighs 32.6 pounds. Lettie's dog weighs 3.8 times as much as Mia's dog. What does Lettie's dog weigh in pounds?

• 36.40 lb

• 12.388 lb

• 96.48 lb

• 123.88 lb

Mr. Roosevelt has 48 nails that each weigh 1.35 ounces. What is the weight of these nails in ounces?

• 50.4 oz

• 40.4 oz

• 64.8 oz

• 16.2 oz

Scott drank 3.5 bottles of water yesterday. Each bottle contained 1.2 pints of water. What was the number of pints of water Scott drank yesterday?

• 4.7 pints

• 4.2 pints

• 4.1 pints

• 42 pints

Freddy exercised 2.5 hours per day on 4 days last week. He burned 330 calories per hour while exercising. How many calories did Freddy burn by exercising last week?

• 2,640 calories

• 26,400 calories

• 3,300 calories

• 33,000 calories

Denise spent $3.45 on snacks every day for 11 days. What is the amount of money Denise spent on these snacks?

• $379.50

• $14.45

• $37.95

• $6.90

George bought 3 peppers for a cost of $0.40 each. The model represents this situation.

Which equation shows how to find the total cost in dollars and cents of the peppers George bought?

• 3 × 4 = 12.00

• 3 × 40 = 120.00

• 3 × 0.40 = 1.20

• 3 × 0.40 = 0.12

Which model represents 1.8 4 × ?

• 
• 
• 
• 

The hundredths model in the figure is shaded to represent the multiplying of two numbers.

Which equation can be represented by the shaded parts of the model?

• 80 x 40 = 3,200

• 0.08 x 0.04 = 0.32

• 0.80 x 0.40 = 0.32

• 0.08 x 0.04 = 0.032

One bucket of gravel has a mass of 7.05 kg. What is the mass of 20 buckets of gravel in kilograms?

• 14.1 kg

• 150 kg

• 27.05 kg

• 141 kg

An electronic book has a file size of 2.4 megabytes. What is the file size in megabytes of 16 of these electronic books?

• 32.4 megabytes

• 54.4 megabytes

• 32.64 megabytes

• 38.4 megabytes