er 8. One (1) is (a) the identity for addition of rational numbers. (b) the identity for subtraction of rational numbers. (c) the identity for multiplication of rational numbers. (d) the identity for division of rational numbers.
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The correct answer is (c) the identity for multiplication of rational numbers. The rational number 1 is the multiplicative identity for rational numbers. 1 is a multiplicative identity for rational numbers.
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