Homework Help: college algebra

Posted by saya on Wednesday, June 27, 2012 at 12:20pm.

simplify. express answer with positive exponents only. (-2x^-5y^4z^2)-3

college algebra - Steve, Wednesday, June 27, 2012 at 1:50pm
(-2x^-5y^4z^2)^-3
multiply all the exponents by -3 to get

-2^-3 x^15 y^-12 z^-6
-x^15/(8 y^12 z^6)
college algebra - Shon, Monday, July 16, 2012 at 6:41pm
Xto the 5th power next to Xto the negative 3 power?
college algebra - Anonymous, Thursday, April 4, 2013 at 8:15pm
(3xy-2)2
x3
college algebra - Anonymous, Thursday, April 4, 2013 at 8:16pm
(3xy-2)2
x3

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