SOLUTION: simplify: (-2y^3)^3/5

Question 156467: simplify: (-2y^3)^3/5
Answer by gonzo(654) (Show Source): You can put this solution on YOUR website!
= = = =
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i believe this is the answer.
for some reason my calculator was giving me fits when i tried to solve (-2)^(3/5) directly.
it did, however, allow me to do (-2)^3 first and then do -8^(1/5) which i was able to confirm works with other numbers.
i checked with calculators on the web and discovered this is a common problem with calculators and fractional exponents.
fortunately (x)^(3/5) is the same as (x^3)^(1/5) and that works.
i'm reasonably certain this is the correct answer but you can wait for other tutors to confirm if you wish.

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