Posted by **Jessie** on Monday, October 18, 2010 at 4:19pm.

Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check

I'm really stuck on these problems-

Simplify 6xy(3xy)^-2? I think this is 2/3xy

choices were

2/xy

3xy

2xy

2/3xy

Simplify 12xyz^-2/8x^-2z

choices were 3x^2y/2z^3

3x^3y/z^3

3x^3y/2z^3

x^3/2z^3

I think it is 3x^3y/2z^3

Thank you for checking

Thank you

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