Question

the rational number _ is called the additive identity . fill in the blank ​

Answer 1

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the rational number _ is called the additive identity

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The number zero is known as the identity element. Then zero(0) is the additive identity of a real number and all rational numbers are real. Hence, 0 is the additive identity of rational numbers.

Answer 2

Answer:

the rational number (zero) 0 is called the additive identity.