Q. 74.4( 14 Votes )
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.
Whenever a number is added to Zero (0) the number obtained is a the same rational number to which it is added.
(b) Incorrect because if we subtract a rational number from 0 the number obtained will not be the same number.
(c) Incorrect because if we multiply 0 with a rational number the number obtained will be 0 and not the number to which 0 was multiplied.
(d) Incorrect because when a number is divided by 0 the result will be undefined.
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