Question

Multiplicative identity of (-21) is

Answer 1

Answer:

1

Step-by-step explanation:

the multiplicative identify for multiplication of real number is one

Answer 2

Given :  number -21

To Find : Multiplicative identity

Solution:

Identity Property of Multiplication for any real number a  is 1

a * 1 = 1 * a  = a

as -21 is a real number so Multiplicative identity of of -21 is  1

(-21) * 1 = 1  * (-21) = - 21

Multiplicative identity of (-21) is  1

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

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the identity for addition of rational numbers.

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