Simplify Expressions


label Algebra
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(3y)^-3

Positive exponents only

Oct 3rd, 2015

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(3y)^-3

= 1 / (3y)^3                     ( because 1/y^3 = y^-3


answer in positive  exponents  is 

1 / (3y)^3  

= 1 / 27 y^3


hope you understood..please message if you have any doubts...thank you
Sep 16th, 2015

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Oct 3rd, 2015
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