Scroll:Real Number System >> Rational Numbers ( Exercise 1.1) >> saq (4322)


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)  

 Name the property under Multiplication used in each of the following.

(-89 ) x ( -98 ) = 1






Answer:_______________




2)  

 Name the property under multiplication used in each of the following.

712 x 117 = 117 x 712






Answer:_______________




3)  

 Name the property under Multiplication used in each of the following.

48 x ( 311 + 2024 ) = 311 x 48 + 48 x 2024






Answer:_______________




4)  

 Name the property under multipilication used in each of the following.

515 x 1 = 515 = 1 x 515






Answer:_______________




5)  

 Name the property under multiplication used in each of the following.

68 x ( 212 x 1722 ) = ( 212 x 68 ) x 1722






Answer:_______________




6)  

 Name the property under Multiplication used in each of the following.

(-218 ) x ( -182 ) = 1






Answer:_______________




7)  

 Name the property under multiplication used in each of the following.

69 x 316 = 316 x 69






Answer:_______________




8)  

 Name the property under Multiplication used in each of the following.

48 x ( 112 + 1723 ) = 112 x 48 + 48 x 1723






Answer:_______________




9)  

 Name the property under multipilication used in each of the following.

713 x 1 = 713 = 1 x 713






Answer:_______________




10)  

 Name the property under multiplication used in each of the following.

59 x ( 112 x 1723 ) = ( 112 x 59 ) x 1723






Answer:_______________




 

1)  

 Name the property under Multiplication used in each of the following.

(-89 ) x ( -98 ) = 1





Answer: 1


SOLUTION 1 :

Ans = Multiplicative inverse.

The property used here is Multiplicative inverse. -ab x ( -ab ) = 1

 



2)  

 Name the property under multiplication used in each of the following.

712 x 117 = 117 x 712





Answer: 3


SOLUTION 1 :

Ans = Commutative property.

The property used here is Commutative property. since, ab x cd = cd x ab  

 



3)  

 Name the property under Multiplication used in each of the following.

48 x ( 311 + 2024 ) = 311 x 48 + 48 x 2024





Answer: 1


SOLUTION 1 :

Ans = Distributive property.

The property used here is Distributive property

 



4)  

 Name the property under multipilication used in each of the following.

515 x 1 = 515 = 1 x 515





Answer: 3


SOLUTION 1 :

Ans = Multiplicative idetity

The property used here is Multipilicative idetity.

 



5)  

 Name the property under multiplication used in each of the following.

68 x ( 212 x 1722 ) = ( 212 x 68 ) x 1722





Answer: 1


SOLUTION 1 :

Ans = Associative property.

The property used here is Associative propertygroup the factors in any way without changing the result.

 



6)  

 Name the property under Multiplication used in each of the following.

(-218 ) x ( -182 ) = 1





Answer: 1


SOLUTION 1 :

Ans = Multiplicative inverse.

The property used here is Multiplicative inverse. -ab x ( -ab ) = 1

 



7)  

 Name the property under multiplication used in each of the following.

69 x 316 = 316 x 69





Answer: 1


SOLUTION 1 :

Ans = Commutative property.

The property used here is Commutative property. since, ab x cd = cd x ab  

 



8)  

 Name the property under Multiplication used in each of the following.

48 x ( 112 + 1723 ) = 112 x 48 + 48 x 1723





Answer: 4


SOLUTION 1 :

Ans = Distributive property.

The property used here is Distributive property

 



9)  

 Name the property under multipilication used in each of the following.

713 x 1 = 713 = 1 x 713





Answer: 3


SOLUTION 1 :

Ans = Multiplicative idetity

The property used here is Multipilicative idetity.

 



10)  

 Name the property under multiplication used in each of the following.

59 x ( 112 x 1723 ) = ( 112 x 59 ) x 1723





Answer: 2


SOLUTION 1 :

Ans = Associative property.

The property used here is Associative propertygroup the factors in any way without changing the result.