Working with fractional exponents.[br][br]For a video explanation see[br][url]https://www.khanacademy.org/math/arithmetic/exponents-radicals/negative-exponents-tutorial/v/zero--negative--and-fractional-exponents[/url][br]or [url]http://patrickjmt.com/evaluating-numbers-raised-to-fractional-exponents/[/url][br]or [url]http://patrickjmt.com/exponents-evaluating-numbers-raised-to-fractional-exponents/[/url][br]or [url]http://patrickjmt.com/exponents-evaluating-numbers-with-rational-exponents-by-using-radical-notation-basic-ex-1/[/url]