Question

The additive identity of rational number is -​

Answer 1

Answer:

number 0

(i) commutative, (ii) associative • The rational number 0 is the additive identity for rational numbers. The rational number 1 is the multiplicative identity for rational numbers.

Answer 2

Answer:

A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.