B brent Guest Feb 15, 2009 #1 im having a hard time on this qustion (-3xy^2)^4 A. 81x^4 Y^8 b.12x^4 y^8 c. -12 x^5 y^8 d. 81 x^5 y^8
im having a hard time on this qustion (-3xy^2)^4 A. 81x^4 Y^8 b.12x^4 y^8 c. -12 x^5 y^8 d. 81 x^5 y^8