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

6.3E Dividing Decimals — Unit test Answers

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Which list shows all the factors of 18?

A
1, 2, 3, 4, 6, 9, 18
B
1, 2, 3, 6, 9, 18
C
2, 3, 4, 6, 9
D
2, 3, 6, 9
22
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Mr. Chang bought 264 pencils to divide evenly among his 22 students. How many pencils did each student receive?

A
11
B
12
C
13
D
14
23

Eoin plans to purchase 6.50 pounds of cheese that costs $4.75 per pound. He used the following steps to estimate the cost.Step 1: Round 6.50 pounds up to 7.Step 2: Round $4.75 up to $5.00.Step 3: Multiply 5 by 7 to get 35.Step 4: Conclude that the cost will be just over $35.00. In which step does Eoin make a mistake?

A
In step 1, he should have rounded the weight down to 6 pounds.
B
In step 2, he should have rounded the cost down to $4.00.
C
In step 3, he chose the wrong operation to calculate cost.
D
In step 4, he should have concluded the cost would be under $35.00.
24

Milo drives 126 miles on 7.5 gallons of gas. How far does he travel on each gallon of gas?

A
1.68 miles
B
16.8 miles
C
168 miles
D
1,680 miles
25

Shannon paid $57.25 for 28 pounds of potatoes. Shannon estimated the cost per pound to be $3.00. What is her error?

A
Shannon rounded $57.25 to $40 and 28 pounds to 20 before dividing.
B
Shannon rounded $57.25 to $60 and 28 pounds to 20 before dividing.
C
Shannon rounded $57.25 to $40 and 28 pounds to 30 before dividing.
D
Shannon rounded $57.25 to $60 and 28 pounds to 40 before dividing.

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