The expression \(-10 + 10\) simplifies to \(0\).
A number is considered rational if it can be expressed as the quotient of two integers (i.e., in the form \(\frac{a}{b}\), where \(a\) and \(b\) are integers and \(b \neq 0\)). Since \(0\) can be expressed as \(\frac{0}{1}\) (or any other non-zero denominator), it is a rational number.
Therefore, \(-10 + 10\) is a rational number.
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