Rational Numbers

Question 1

Which expression can be used to determine how much money Mary has left?

Revolt · Accepted Answer

B: 20 – (5.50 + 3.75 + 2(1.25) + 2.75)

Question 2

Simplify the expression:

Revolt · Accepted Answer

A: 1

Question 3

Sabrina purchased pound of apples and pound of nuts.What is the total cost of these items to the nearest cent?

Revolt · Accepted Answer

B: $5.86

Question 4

To simplify 8.3 − 4 1 5 ( 6.1 + 1 2 ) , which operation must be performed first?

Revolt · Accepted Answer

A: addition

Question 5

Since there are no exponents in this problem, the next step is .

Revolt · Accepted Answer

C: (- 2)2.2

Question 6

How much money does Mary have left?

Revolt · Accepted Answer

B: $5.50

Question 7

Which operation must be performed second?

Revolt · Accepted Answer

B: multiplication

Question 8

Simplify the previous step and you get .

Revolt · Accepted Answer

D: -7.6 – 4.4

Question 9

Which operation must be performed last?

Revolt · Accepted Answer

C: subtraction

Question 10

Which is the simplified expression in the decimal form?

Revolt · Accepted Answer

B: -19.42

Rational Numbers Answers