Yes, 0 is a real number in math. Real numbers include all rational and irrational numbers, which means they cover all the numbers on the number line. Since 0 is a rational number (it can be expressed as a fraction 0/1), it is also a real number. Real numbers are used to represent quantities in the real world, and 0 is often used to represent the absence of quantity or a neutral value in various mathematical contexts.
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