Deck 13: Multiplication of Decimal Fractions

Question 1

At a certain house, 155.2 gallons of #2 fuel oil are unloaded. The fuel oil weighs 7.1 lb/gal.

Answer 1

1,101.92 pounds

Question 2

Convert 5.8 feet to inches.

Answer 2

69.6 inches

Question 3

When multiplying decimal fractions you multiply the numbers ignoring the decimal points, count the decimal places in each number and place the decimal point that many places from the right.

Answer 3

True

Question 4

Convert 17.5 pounds to ounces.

Question 5

Multiply the following decimal fractions: 2,550 liters x 0.45 =

Question 6

One watt of energy is equivalent to 3.41 Btu/h. How much heat is produced by seven 650-watt spotlights when they are used?

Question 7

Multiply the following decimal fractions: 0.295 x 0.34 =

Question 8

Multiply the following decimal fractions: 5.24"x 0.195 =

Question 9

A technician's assistant earns $16.10 per hour. How much is the assistant paid for a job lasting 8.5 hours?

Question 10

If you multiply 8.356 times 14.567, after multiplying ignoring the decimal point, you would place the decimal in the answer 7 places from the right.