Zero, negative, and fractional exponents | Pre-Algebra | Khan Academy Zero, negative, and fractional exponents | Pre-Algebra | Khan Academy begin-post-stats Khan Academy • 547K views end-post-stats begin-duration 14:04 end-duration Math topics: _Elementary_algebra_##Elementary algebra##_Exponentiation_##Exponentiation##_Nth_root_##Nth root##_Square_(algebra)_##Square (algebra)##_Elementary_arithmetic_##Elementary arithmetic##_Equals_sign_##Equals sign##_Multiplication_##Multiplication##_Plus_and_minus_signs_##Plus and minus signs##_Numbers_##Numbers##_Fraction_(mathematics)_##Fraction (mathematics)##_Negative_number_##Negative number##_Sign_(mathematics)_##Sign (mathematics) Other topics: _Mathematical_logic_##Mathematical logic##_Rule_of_inference_##Rule of inference##_Consistency_##Consistency##_Equality_(mathematics)_##Equality (mathematics) video-id: tOuCdKqO6-s channel_Khan_Academy_ So What Learning Elementary algebra , Elementary arithmetic , Mathematical logic , Numbers Sunday, January 21, 2018 Share Share