math help please!!
posted by
maddie
.
simplify
(5x^7)^4

math help please!! 
PsyDAG
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
5^4 * x^(4*7)
25^2 * x^28
625 x^28

math help please!! 
maddie
thank you!