9-21/9-22 Multiply and Divide Decimals

0.3 x 0.9

• 0.0027

• 0.027

• 0.27

• 2.7

1.09 x 5.4

• 1.63

• 5.884

• 5.886

• 5.926

4.9 x 0.02

• 0.098

• 0.98

• 9.8

• 98

0.03 x 0.56

• 0.000168

• 0.00168

• 0.0168

• 0.168

12.92  $\div$  3.4

• 0.0038

• 0.38

• 3.8

• 38

0.025  $\div$  0.5

• 0.05

• 0.2

• 5

• 20

0.0868 $\div$  0.007

• 0.124

• 1.24

• 12.4

• 124

A mine produces 42.5 tons of coal per hour. How much coal will the mine produce in 9.5 hours?

• 40.375 tons

• 52 tons

• 403.75 tons

• 425 tons

Ms. Morgan bought 3.5 pounds of bananas at $0.51 a pound and 4.5 pounds of pineapple at $1.19 a pound. How much did she pay for the bananas and pineapple?

• $1.70

• $1.79

• $6.46

• $7.14

After its first day of life, a baby blue whale started growing and grew 47.075 inches. If the average baby blue whale grows at a rate of 1.5 inches a day, for how many days did the baby whale grow, to the nearest tenth of a day?

• 30 days

• 31.4 days

• 45.6 days

• 61.6 days