Classifying real numbers

The video tutorial explains how to classify numbers within the real number system. It begins by identifying real numbers and differentiating between rational and irrational numbers, using examples like π and sqrt 8. The tutorial then explores integers, whole numbers, and natural numbers, highlighting their characteristics. Finally, it classifies the expression -45/3, demonstrating that it is a rational integer, and explains why it does not fit into the categories of whole or natural numbers.

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