Learn how to evaluate a number raised to a rational exponent

The video tutorial explains the concept of exponents, specifically x to the m over n as the nth root of x to the m. It addresses the challenges of calculating large numbers like 81 cubed and suggests alternative methods for simplification. The importance of knowing common square and cube numbers is highlighted. The tutorial also covers the multiplication of exponents and provides tips for simplifying expressions. The session concludes with advice on simplifying calculations without extensive work.

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