GreenHerbz206 GreenHerbz206

15-11-2018
Mathematics

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Please select the best answer from the choices provided

Please select the best answer from the choices provided class=

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choixongdong choixongdong

15-11-2018

(27a^-3)^-2/3

=(3^3 a^-3)^-2/3

= 3^(3 *(-2/3) a^(-3 * (-2/3))

= 3^-2 a^2

= a^2/3^2

=a^2/9

Answer

a) a^2/9

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