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Earn +20 ptsQ: Does the set of rational numbers have an additive identity?
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Do sets of rational numbers have an additive identity?
There is only one set and it does have an additive identity.
Is zero is not considered a real number?
Wrong! Not only is zero a real number, but it is the additive identity for the set of integers, rational numbers as well as real numbers.
Does the set of rational numbers have an additive inverse?
No. It has a different additive inverses for each element.
Does the set of rational numbers have multiplicative identity?
Yes. The multiplicative identity for the rational numbers is 1 (also can be written as 1/1).
Is the set of rational numbers contains the additive inverse of each of its members?
Yes.
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