(21 a^9 c^7)^-½ (81 a^5 b^6 c)^-½ I ended up with √((27b^6)/(7a^4c^6)) but I get the feeling I'm not doing it correctly. (-2 a^-1 b^6)^3 (8 a^9 b^-12)^(-2/3) I don't even know where to start with this equation. How would I solve this? Thanks!
Last edited by jaclyn9189; Nov 18th 2008 at 09:47 AM.
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Thanks so much, especially for writing out how you got the answer
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