Simplify exponents in output

*To*: mathgroup at smc.vnet.net*Subject*: [mg99155] Simplify exponents in output*From*: davef <davidfrick2003 at yahoo.com>*Date*: Wed, 29 Apr 2009 03:47:05 -0400 (EDT)

When I attempt to solve the following in Mathematica: (64 x^9)^(1/3) I get this: 4 (x^9)^1/3 Why don't I get: 4x^3 IOW, why doesn't Mathematica simplify the variable under the radical in the output? I am using Mathematica 7. Thanks.