Posted by maddie on Saturday, January 10, 2009 at 9:59am.
simplify
(5x^7)^4

math help please!!  PsyDAG, Saturday, January 10, 2009 at 10:16am
Power Theorem for Exponents
If m and n are real numbers and x does not equal 0, (x^m)^n = x^mn
I hope this helps. Thanks for asking. 
math help please!!  Damon, Saturday, January 10, 2009 at 10:18am
5^4 * x^(4*7)
25^2 * x^28
625 x^28 
math help please!!  maddie, Saturday, January 10, 2009 at 10:25am
thank you!