Rewriting roots as rational exponents | Mathematics I | High School Math | Khan Academy

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Sal solves several problems about the equivalence of expressions with roots and rational exponents. For example, rewrite ⁶√(g⁵) as g^⅚.

High School Math on Khan Academy: Did you realize that the word "algebra" comes from Arabic (just like "algorithm" and "al jazeera" and "Aladdin")? And what is so great about algebra anyway? This tutorial doesn't explore algebra so much as it introduces the history and ideas that underpin it.

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when using khan academy and the student is given a question without multiple choice, how can you type in the seventh root of four. I can't figure it out and neither can my students

larrypomerantz