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Evaluating Rational Exponents - Problem 3

Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

Every calculator has different buttons and commands that are used to do roots and exponents, so it is paramount that you practice with your own calculator for consistency sake. Look for a x root y or y root x button, and perhaps the second command button to evaluate different roots. Use a root that you know to test, like the cube root of 8 = 2, to practice the order in which you should input values in your calculator.

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