Posted by **cathy** on Wednesday, November 28, 2012 at 6:58pm.

Simplify 3x to the 4th times yto the 5th over9xy toto the7th all in parenthesis

- algebra -
**Steve**, Wednesday, November 28, 2012 at 7:07pm
(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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