Deck 7: Decimals

Question 1

You pay $3,245.64 for materials and $650.00 for labor to wire a basement. If you are paid $4500.00 for the job, you will have a profit of ____________________.

Answer 1

$604.36

Question 2

A shim is made 0.0025 inch thick. The thickness should be 0.00225 inch. The difference in thickness is ____________________ inch.

Answer 2

0.00025

Question 3

419 divided by .75 = ____________________.

Answer 3

558.67

Question 4

If 250 feet of Type NM cable costs $55.90, 200 feet will cost ____________________.

Question 5

The weight of a certain wire is 240 pounds per 1,000 feet. What is the cost of 600 feet of this wire at $1.65 per pound?

Question 6

0.18 * 0.27 = ____________________.

Question 7

12.6 minus 3.3 = ____________________.

Question 8

39.02 + 6.1 + 12.88 = ____________________.

Question 9

23.73 plus 9.18 = ____________________.

Question 10

Which pipe has a larger internal diameter?

A) Schedule 40
B) Schedule 80
C) Schedule 120
D) All have the same internal diameter.

Question 11

What is the cost of 1250 feet of BX cable if it sells for $0.495 per foot?

Question 12

If 0.75 square of shingles can be applied in one hour, how long will it take to apply 9.5 squares?

Question 13

Decimal numbers of less than 1 are called __________.

Question 14

1,002.62 + 431.1 + 1.545 = ____________________.

Question 15

If you buy three tools that cost $29.99, $15.50, and $8.95, what is the total cost of the tools?

A) $44.54
B) $44.45
C) $54.54
D) $54.44

Question 16

712.3 minus 650.59 = ____________________.

Question 17

The third number to the right of the decimal point is in the __________ position.

A) tenths
B) thousandths
C) hundreds
D) thousands

Question 18

623.15 divided by 12.9 = ____________________.

Question 19

5.302 * 4.9 = ____________________.

Question 20

6.6 * 2.3 = ____________________.

Question 21

Explain what a decimal fraction is.