Algebra II: Evaluating numbers raised to fractional exponents
This is a free lesson from our course in Algebra II
 
   
In this section you'll learn how to calculate number raised to fractional exponents. You will find some examples with solution, and the instructor explains all that with the help of audio, video presentation and in own hand writing. Fractional exponents obey the same laws as integral exponents. To calculate a number raised to a fractional exponent, we take the denominator roots and raise that to the numerator power. For example, 642/3 =(364)2=(4)2=16 or you can do it as 642/3 =(3642)=(34096)=16. Consider one more example, 324/5=(532)4=(2)4=  16.
<h2> Evaluating numbers raised to fractional exponents - Watch video (Algebra II)</h2> <p> video, AlgebraII, practice questions, quizzes, subject, math help, fractional exponents, fractional exponents, denominator roots, numerator power</p> <p> To calculate a number raised to a fractional exponent, we take the denominator roots and raise that to the numerator power.</p>
Other useful lessons:
Getting Started - Identities and Properties
Simplifying expressions with exponents
Solving equations involving fractional exponents
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