Scroll:Number theory >> Multiplicative inverses >> saq (3885)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

 What is the multiplicative inverse of   510

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




2)  

 What is the multiplicative inverse of   72

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




3)  

 What is the multiplicative inverse of   32

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




4)  

 What is the multiplicative inverse of   78

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




5)  

 What is the multiplicative inverse of   38

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




6)  

 What is the multiplicative inverse of   310

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




7)  

 What is the multiplicative inverse of   58

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




8)  

 What is the multiplicative inverse of   136

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




9)  

 What is the multiplicative inverse of   1514

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




10)  

 What is the multiplicative inverse of   914

 

use slash ( / ) to separate the numerator and denominator.


Answer:_______________




 

1)  

 What is the multiplicative inverse of   510

  Answer: 105

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

5
10
  
10
5

 

The multiplicative inverse of 
5
10
 is 
10
5
.

 



2)  

 What is the multiplicative inverse of   72

  Answer: 27

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

7
2
  
2
7

 

The multiplicative inverse of 
7
2
 is 
2
7
.

 



3)  

 What is the multiplicative inverse of   32

  Answer: 23

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

3
2
  
2
3

 

The multiplicative inverse of 
3
2
 is 
2
3
.

 



4)  

 What is the multiplicative inverse of   78

  Answer: 87

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

7
8
  
8
7

 

The multiplicative inverse of 
7
8
 is 
8
7
.

 



5)  

 What is the multiplicative inverse of   38

  Answer: 83

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

3
8
  
8
3

 

The multiplicative inverse of 
3
8
 is 
8
3
.

 



6)  

 What is the multiplicative inverse of   310

  Answer: 103

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

3
10
  
10
3

 

The multiplicative inverse of 
3
10
 is 
10
3
.

 



7)  

 What is the multiplicative inverse of   58

  Answer: 85

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

5
8
  
8
5

 

The multiplicative inverse of 
5
8
 is 
8
5
.

 



8)  

 What is the multiplicative inverse of   136

  Answer: 613

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

13
6
  
6
13

 

The multiplicative inverse of 
13
6
 is 
6
13
.

 



9)  

 What is the multiplicative inverse of   1514

  Answer: 1415

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

15
14
  
14
15

 

The multiplicative inverse of 
15
14
 is 
14
15
.

 



10)  

 What is the multiplicative inverse of   914

  Answer: 149

use slash ( / ) to separate the numerator and denominator.


SOLUTION 1 :

Remember:

Find the multiplicative inverse of a fraction by switching the numerator and the denominator.

Solve:

Switch the numerator and denominator.
 

9
14
  
14
9

 

The multiplicative inverse of 
9
14
 is 
14
9
.