AnswersAIA - 12 Career Math 1st Sem6.3E Dividing Decimals

6.3E Dividing Decimals — Unit test Answers

7 verified answers
1
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A box of small crackers holds 4 equal servings. If there are 124 crackers in the box, how many crackers are in each serving?

A
16
B
31
C
36
D
41
2
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Lorine drew the model below to represent the equation .What is the missing value (?) in Lorine’s equation?

Question illustration
A
4
B
7
C
8
D
11
3

The pumpkin patch had two corn mazes, as shown by the shaded and non-shaded sections in the model below.Which expression is shown by the model?

Question illustration
A
28 + 14 = 7 (4 + 14)
Option A
B
28 + 14 = 4 (7 + 2)
Option B
C
28 + 14 = 4 (14 + 28)
Option C
D
28 + 14 = 7 (4 + 2)
Option D
4

Lucy wants to divide 18.6 by 1.2. In order to estimate the quotient, which is the best expression to use?

A
10 divided by 1
Option A
B
10 divided by 2
Option B
C
20 divided by 1
Option C
D
20 divided by 2
Option D
5

Which is true about x, the quotient of the division problem shown below?

Question illustration
A
The quotient contains a repeating decimal.
B
The quotient contains a terminating decimal.
C
The quotient is a whole number less than 11.
D
The quotient is a whole number greater than 11.
6

Katrina is building a wall around her backyard using bricks that are 18 inches long. The wall needs to be 36 feet, or 432 inches, long. She determines that she will need exactly 23 bricks for each row, as shown by her calculations below.What error did Katrina make in her calculations?

Question illustration
A
There is a subtraction error. Each row will need 22 bricks.
B
There is a subtraction error. Each row will need 24 bricks.
C
There is a division error. Each row will need 22 bricks.
D
There is a division error. Each row will need 24 bricks.
7

Which number is composite?

A
19
B
23
C
33
D
37
8

At a local store, hot dogs come in packages of 8, and hot dog buns come in packages of 12. For her party, Arpitha purchased the minimum number of hot dog packages and bun packages that she could while making sure to have the same number of hot dogs and buns. How many hot dogs can Arpitha serve at her party?

A
4
B
24
C
48
D
96
9

Paul uses the expression to determine the cost of tiling the floor of a room that measures 12.3 feet by 14.6 feet; each square foot of tile costs $4.20. How many decimal places will be in Paul’s final answer?

Question illustration
A
one
B
three
C
five
D
eight
10

A nut-raisin mix costs $5.26 per pound. Rashid buys 15.5 pounds of the mix for a party. Rashid’s estimated cost of the nut-raisin mix is

A
$16.
B
$22.
C
$61.
D
$80.
11

What is the quotient of the division below?327 55 =

Question illustration
A
5.94
B
5.9 ModifyingAbove 4 with bar
Option B
C
5.945
D
5.9 ModifyingAbove 45 with bar
Option D
12

Kia thinks that every number has at least two factors. Which explains whether Kia is correct?

A
Kia is correct because prime numbers have two factors and composite numbers have more than two factors.
B
Kia is correct because composite numbers have two factors and prime numbers have more than two factors.
C
Kia is incorrect because prime numbers do not have any factors.
D
Kia is incorrect because the only factor of 1 is 1.
13

The PE class has 12 boys and 8 girls. What is the maximum number of teams that the teacher can divide the class into so that each team has an equal number of boys and girls, the greatest common factor of the numbers of girls and boys?Factors of 12: 1, 2, 3, 4, 6, 12Factors of 8: 1, 2, 4, 8

A
2
B
4
C
24
D
96
14

Mya applied the distributive property to write the equivalent expressions below.What is Mya’s error?

Question illustration
A
Mya did not write the common factor in the correct place.
B
Mya did not find the correct two factors for 72.
C
Mya did not find the correct two factors for 45.
D
Mya used a factor that is not common to 45 and 72.
15

The product of 27.9 and which number has three decimal places?

A
1.4
B
2.741
C
32.4
D
72.43

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