Deck 12: Multiplication of Decimal Fractions

Question 1

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?

A) $387.90
B) $389.90
C) $391.80
D) $383.80

Answer 1

$387.90

Question 2

58.255 x 0.03 = ____.

A) 1.74555
B) 1.74565
C) 1.74665
D) 1.74765

Answer 2

1.74765

Question 3

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

A) $331.44
B) $332.33
C) $333.55
D) $334.22

Answer 3

$332.33

Question 4

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

Question 5

3.4 x 8.7 = ____.

A) 2.743
B) 2.958
C) 27.43
D) 29.58

Question 6

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

A) 1.875
B) 1.975
C) 2.075
D) 2.175

Question 7

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.

Question 8

89.42 x 0.11 = ____.

A) 9.8136
B) 9.8362
C) 9.8563
D) 9.8725

Question 9

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

A) 8.58
B) 9.52
C) 10.56
D) 11.54

Question 10

7.78 x 2 = ____________________.