Rational Numbers

Question 1

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

Revolt · Accepted Answer

20 – (5.50 + 3.75 + 2(1.25) + 2.75)

Question 2

How much money does Mary have left?

Revolt · Accepted Answer

$5.50

Question 3

Which operation must be performed last?

Revolt · Accepted Answer

subtraction

Question 4

Which is the simplified expression in the decimal form?

Revolt · Accepted Answer

-19.42

Question 5

Simplify the expression:

Revolt · Accepted Answer

1

Question 6

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

Revolt · Accepted Answer

$5.86

Question 7

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

Revolt · Accepted Answer

addition

Question 8

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

Revolt · Accepted Answer

(- 2)2.2

Question 9

Which operation must be performed second?

Revolt · Accepted Answer

multiplication

Question 10

Simplify the previous step and you get .

Revolt · Accepted Answer

-7.6 – 4.4

Rational Numbers Answers