Question

For every integer $a$, $a\times 1=1\times a=a$.
This shows

• A. associative property
• B. distributive property
• C. existence of multiplicative inverse
• D. existence of multiplicative identity

Answer 1

The correct option is D

existence of multiplicative identity

Multiplication of any number by one gives the same number.

It is given that for every integer $a$, $a\times 1=1\times a=a$.

Therefore, this shows existence of multiplicative identity which is 1.