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Chapter 2: Q1. (page 108)

What number is the additive identity? What number is the multiplicative identity?

Short Answer

Expert verified

Zero is the additive identity number.

One is the multiplicative identity number

Step by step solution

01

Step-1- Additive identity 

Additive identity states that when a number is added to zero it will give the same number. Therefore, zero is the additive identity number.

Suppose x is a real number, then

x+0=x

02

Step-2-Multiplicative identity

Multiplicative identity states that when a number is multiplied with one it will give that number as product. Therefore, one is the multiplicative identity number.

Suppose x is any number, then

x×1=x

03

Step-3-Conclusion

Therefore, zero is the additive identity number and one is the multiplicative identity number.

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