SOLUTION: evaluate or simplify (27y^9)^-1/3 I am at a lost please help

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Question 15041: evaluate or simplify
(27y^9)^-1/3
I am at a lost please help
Answer by AnlytcPhil(1806) About Me  (Show Source):
You can put this solution on YOUR website!
(27y9)-1/3
`
Write 27 as 33
`
(33y9)-1/3
`
Multiply the outer exponent -1/3 by each inner exponent:
`
3-1y-3
`
To get rid of the negative exponents move base and exponent from
numerator to denominator and chaneg the sign of the exponent to +
`
` 1
-----
31y3
`
Erase the 1 exponent
`
` 1
-----
`3y3
`
Edwin
AnlytcPhil@aol.com