Operations with Rational Numbers

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20 QuestionsShow answers

- Question 1180 secondsQ.
Nancy spent $44.59 on 5.25 quarts of olive oil. What is the cost of one quart of olive oil? Round to the nearest cent.

answer choices - Question 2300 secondsQ.
Yuuma applied the steps below to find the product of (–10.2)(–16.4).

Step 1: (–10.2)(–16.4) = (–16.4)(–10.2)

Step 2: = (–16.4)(–10) + (–16.4)(–0.2)

Step 3: = ____________

Step 4: = 167.28

Which expression correctly fills in the blank in Step 3?

answer choices - Question 3300 secondsQ.
The price of a gallon of gasoline dropped by $0.08 on Wednesday and by 0.25 of that amount on Thursday. Which

**best**represents how the price of a gallon of gasoline changed on Thursday?answer choices - Question 4180 secondsQ.
What is the difference of –96.43 – (–98.67)?

answer choices - Question 5300 secondsQ.
In the world’s coldest freezer, sodium gas was cooled to a temperature of 78.5°C below zero and then cooled 194.65°C more. What was the new temperature of the sodium gas?

answer choices - Question 6300 secondsQ.
A student has $78 in his checking account. If the student spends $12 on lunch, which number could be combined with the amount left in the account to make zero?

answer choices - Question 760 secondsQ.
What is the simplified value of the expression below?

-8 * (-3)

answer choices - Question 860 secondsQ.
What is the simplified value of the expression below?

-2.6 + 5.8

answer choices - Question 9180 secondsQ.
What is the simplified value of the expression below?

12.4 x (-6.3)

answer choices - Question 10300 secondsQ.
What is thNoa buys 6 items that each cost $4.25 and 3 items that each cost $6.75. How much does Noa spend in total?

answer choices - Question 11300 secondsQ.
Anusha brings a $20 bill to the store. She purchases 4 pairs of socks for $2.25 each and a new belt for $7.50. How much change will Anusha receive when she pays for her clothes?

answer choices - Question 12300 secondsQ.
Ivan and Polina have each drawn a conclusion about multiplying negative fractions.

Ivan: The product of an even number of negative fractions is always positive.

Polina: The product of an odd number of negative fractions is always negative.

Whose conclusion is correct?

answer choices - Question 13300 secondsQ.
What is the quotient of 9.18 divided by –3.4?

answer choices - Question 14300 secondsQ.
What is the quotient of –11.25 divided by –0.375?

answer choices - Question 15180 secondsQ.
What is the first step when applying properties of operations to divide 73.85 by 4.1?

answer choices - Question 16180 secondsQ.
Mrs. Thomas has $71.00 to purchase bottles of juice for her class. If the bottles of juice cost $3.55 each, how many bottles can she buy?

answer choices - Question 17300 secondsQ.
Which problem can be solved by division of decimals?

answer choices - Question 18180 secondsQ.
Which shows two products that

**both**result in positive values?answer choices - Question 19300 secondsQ.
Kate gets a paycheck twice a month. Every month, a total of $345.67 is deducted from her paycheck for taxes. If she has been paid 7 paychecks so far this year, which

**best**represents the total effect the taxes have had on her paychecks?answer choices - Question 20120 secondsQ.
Which expression is equivalent to 63.56 + (–81.47)?

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