Question

What is a+0 equal to, for any rational number?
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Answer 1

Answer:

Any number added with 0 gives the same number

a+0 = a

Answer 2

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a + 0 = a

0 is a rational number. Since we know, a rational number can be expressed as p/q, where p and q are integers and q is not equal to zero. Thus, we can express 0 as p/q, where p is equal to zero and q is an integer.