For any rational number, multiplicative identity is
The rational number 1 is the multiplicative identity for rational numbers.
Question 11 If x + 0 = 0 + x = x, which is rational number, then 0 is called: (a) identity for addition of rational numbers. (b) additive inverse of x. (c) multiplicative inverse of x. (d) reciprocal of x.
Question 7 Zero (0) 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.