Which is one reason why this expression is equal to 0?
The same number appears in the numerator and denominator.
The expression does not equal 0.
The sum of any number and its opposite is 0.
The product of any number and its opposite is 0.
Which is one reason why this expression is equal to 0?
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The correct answer is: The sum of any number and its opposite is 0.
Explanation: This means that if you take a number (like 5) and add its opposite (like -5), the result is 0 (5 + (-5) = 0). This principle helps us understand why certain expressions can equate to zero based on their numerical relationships. If you have more questions or need further clarification, feel free to ask!