Posted by lomas on Thursday, October 28, 2010 at 1:30pm.
multiply:
(2x^4y^2)^3 (4x^2y)^2
Is this right?
128x^11y^8
Not sure.

math  lomas, Thursday, October 28, 2010 at 2:04pm
Did some rethinking..is it
128x^16y^8
? 
math  Ron, Thursday, October 28, 2010 at 2:05pm
I got 128x^16y^8

math  lomas, Thursday, October 28, 2010 at 2:09pm
Great...i was adding the exponents that were on the outside instead of multiplying it.
Took me a while to remember the rule. Thanks Ron.