Posted by cathy on Wednesday, November 28, 2012 at 6:58pm.
(3x)^4 y^5 / (9xy)^7
3^4 x^4 y^5 / 9^7 x^7 y^7
3^4 = 9^2
1 / (9^5 x^3 y^2)
If I got the parens wrong, fix em and show what you get.
Use ^ for powers, and lose all the words. Use () for parens, so we know just what you mean.
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