Rational Numbers Answers

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b =

Answer not available
5

Simplify .

Question illustration
A
-4.1
B
-3.025
C
2.175
D
3.025
6

Question text not available

Answer:

It would be easier to change the decimals to fractions because 417 is a repeating decimal. The decimals should be written as fractions.

9

Question text not available

A
15/44
B
25/12
C
9.69
D
29/12
10

While shopping at the mall, Jonathan saw two toys he wanted to buy. The toys originally cost $15.95 and $11.65, but they were on sale for off the regular price. Jonathan paid for the toys with a $20 bill. Which expression can be used to determine how much change Jonathan received?

Question illustration
A
20 minus one-third (15.95 + 11.65)
Option A
B
20 minus left-bracket (15.95 + 11.65) minus one-third (15.95 + 11.65) right-bracket
Option B
C
Left-bracket (15.95 + 11.65) minus one-third (15.95 + 11.65) right-bracket minus 20
Option C
D
One-third (15.95 + 11.65) minus 20
Option D
11

Nick simplified this expression. Is his answer correct?

A
No. Nick multiplied before dividing.
B
No. Nick should have converted to all decimals first.
C
No. The first step should be division.
D
Yes. Nick did not make a mistake.
12

Which of the following did you include in your explanation?

A
is a repeating decimal.
Option A
B
It would be difficult to determine the simplifed expression using a repeating decimal.
C
The decimals in this expression are easy to rewrite as mixed numbers.

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