Date: 6/16/96 at 18:8:48 From: David Papernick Subject: Fractional exponents 2/3 (-64) How would you go about solving this problem? Please show all steps. Negative 64 in parenthesis to exponent 2/3.
Date: 6/16/96 at 18:19:40 From: Doctor Anthony Subject: Re: Fractional exponents Take the cube root of -64. This gives (-4). Now square (-4) to get 16. So we have (-64)^(2/3) = 16 -Doctor Anthony, The Math Forum Check out our web site! http://mathforum.org/dr.math/
Search the Dr. Math Library:
Ask Dr. MathTM
© 1994- The Math Forum at NCTM. All rights reserved.