Question

Zero (0) is 


the identity for addition of rational numbers.

the identity for subtraction of rational numbers.

the identity for multiplication of rational numbers.

the identity for division of rational numbers.

9. One (1) is the identity for 

subtraction of rational number

addition of rational numbers.

division of rational numbers.

multiplication of rational numbers.

10. Multiplicative inverse of a negative rational number is 

1

a positive rational number

0

a negative rational number.

​

Answer 1

Answer:

zero is

the identity of rational numbers

9

multiplication of rational numbers

10

a negative rational number

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Answer 2

Zero (0) is  the identity for addition of rational numbers.

One (1) is the identity for  multiplication of rational numbers.

Step-by-step explanation:

0 is  the identity for addition of rational numbers.

this is Additive identity

Additive identity is a number, which when added to any number, gives the same number

x + 0 = 0 + x = x

One (1) is the identity for multiplication of rational numbers.

1 is the multiplicative identity for rational numbers

x.1 = 1.x  = x

Multiplicative inverse of a negative rational number is   a negative rational number.

Multiplicative inverse  of x  = 1/x

x .1/x = 1  

Product of two rational numbers is 1, then they are called multiplicative inverse of each other.

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the identity for addition of rational numbers.

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