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Question 21 2 / 2 pts Evaluate the following expression: 10/23 − 8/23 = ? 23 In the space below, enter the value of the numerator in your answer

Math Nov 23, 2020

Question 21

2 / 2 pts

Evaluate the following expression:
10/23 − 8/23 LaTeX: = \frac{?}{23}= ? 23
In the space below, enter the value of the numerator in your answer. Do not include the division sign or the denominator. For example, if the answer was LaTeX: \frac{1}{23} 1 23, you would enter the number 1 in the space below.

 

Question 22

1 / 1 pts

Evaluate the following expression:

-56 - (-64) = ?

 

Question 23

1 / 1 pts

Evaluate the following expression:

64 – (-29) = ?

 

Question 24

1 / 1 pts

Evaluate the following expression:

55 + (-66) = ?

 

Question 25

1 / 1 pts

Evaluate the following expression:

24 + 43 = ?

 

Question 26

1 / 1 pts

Evaluate the following expression:
746 – 061 = ?

 

Question 27

1 / 1 pts

Use rounding to estimate the solution to the problem. (Use front end rounding as explained in the lesson under “Estimate the results of an arithmetic operation.”)

8.890 + 6.717 = ?

Be sure to give the estimated solution, not the exact solution.

 

Question 28

1 / 1 pts

Use rounding to estimate the solution to the problem. (Use front end rounding as explained in the lesson under “Estimate the results of an arithmetic operation.”)

189 − 111 = ?

Be sure to give the estimated solution, not the exact solution.

 

Question 29

1 / 1 pts

Use rounding to estimate the solution to the problem. (Use front end rounding as explained in the lesson under “Estimate the results of an arithmetic operation.”)

977 − 914 = ?

Be sure to give the estimated solution, not the exact solution.

 

Expert Solution

Question 21

2 / 2 pts

Evaluate the following expression:
10/23 − 8/23 LaTeX: = \frac{?}{23}= ? 23
In the space below, enter the value of the numerator in your answer. Do not include the division sign or the denominator. For example, if the answer was LaTeX: \frac{1}{23} 1 23, you would enter the number 1 in the space below.

Correct!

Correct Answer

2

 

The following questions are review questions.

 

Question 22

1 / 1 pts

Evaluate the following expression:

-56 - (-64) = ?

Correct!

Correct Answer

8

 

Question 23

1 / 1 pts

Evaluate the following expression:

64 – (-29) = ?

Correct!

Correct Answer

93

 

Question 24

1 / 1 pts

Evaluate the following expression:

55 + (-66) = ?

Correct!

Correct Answer

-11

 

Question 25

1 / 1 pts

Evaluate the following expression:

24 + 43 = ?

Correct!

Correct Answer

67

 

Question 26

1 / 1 pts

Evaluate the following expression:
746 – 061 = ?

Correct!

Correct Answer

685

 

Question 27

1 / 1 pts

Use rounding to estimate the solution to the problem. (Use front end rounding as explained in the lesson under “Estimate the results of an arithmetic operation.”)

8.890 + 6.717 = ?

Be sure to give the estimated solution, not the exact solution.

Correct!

Correct Answer

16

 

Question 28

1 / 1 pts

Use rounding to estimate the solution to the problem. (Use front end rounding as explained in the lesson under “Estimate the results of an arithmetic operation.”)

189 − 111 = ?

Be sure to give the estimated solution, not the exact solution.

Correct!

Correct Answer

100

 

Question 29

1 / 1 pts

Use rounding to estimate the solution to the problem. (Use front end rounding as explained in the lesson under “Estimate the results of an arithmetic operation.”)

977 − 914 = ?

Be sure to give the estimated solution, not the exact solution.

Correct!

Correct Answer

100

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