SOLUTION: I need help with two problems. Write answers with positive exponents. (7/y^-4)^-3 I am getting 1/343y^12 but I don't think thats in positive exponents. Same with this prob

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Question 873670: I need help with two problems.
Write answers with positive exponents.
(7/y^-4)^-3
I am getting 1/343y^12 but I don't think thats in positive exponents.
Same with this problem.
(4^-2xy^2)^-3
I am getting 1/4^2xy

Found 2 solutions by LinnW, ankor@dixie-net.com:
Answer by LinnW(1048)   (Show Source): You can put this solution on YOUR website!



This is equal 1/343y^12 so I think you had it right.

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
Write answers with positive exponents.
(7/y^-4)^-3
I am getting 1/343y^12 but I don't think that's in positive exponents.
But you are Right!
Reciprocal gets rid of the neg
= =
:
Same with this problem.
I got a different answer on this one, perhaps you can check your work.
= = = = =

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