Exam 12: Multiplication of Decimal Fractions

When multiplying decimal fractions, count the total number of places to the right of the decimal point. In your answer, place a decimal point exactly the same number of places or the left of the ____________________ digit of the answer.

The cost of gasoline is $1.899 per gallon. How much does 175 gallons cost to the nearest cent?

The pitch of a thread is 0.250 inch. How far, in inches, is a nut moved in 7.5 turns?

3.4 x 8.7 = ____.

89.42 x 0.11 = ____.

58.255 x 0.03 = ____.

A 6-cell storage battery shows an average voltage of 1.76 volts per cell. What is the voltage of the battery?

A gasket set for an air-conditioning compressor costs $21.55. The garage uses 2 sets per week. What does a 9-week supply cost?

7.78 x 2 = ____________________.

The first step in multiplying decimal fractions is to multiply the numbers as if they were ____________________ numbers.