by RonPurewal Tue Nov 04, 2008 8:47 am
yep, always 1.
the only exception is 0^0, which is what's called an "indeterminate form": it doesn't have a value at all. this is a juicy topic in mathematics, but, when you're taking the gmat, you'll only see 0/0 if you've made a mistake somewhere.
(anything else)^0 is 1.