Booboo16
Booboo16
15-01-2015
Mathematics
contestada
Simplify this expression! (27)^-2/3
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Аноним
Аноним
15-01-2015
The answer is 243
so first it is 1/27^2/3
then you multiply
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crisforp
crisforp
15-01-2015
( 3 ^ 3 )^ ( - 2 / 3 ) = 3 ^ [ 3 * ( - 2 / 3 )] = 3 ^ ( - 2 ) = 1 / ( 3 ^ 2 ) = 1 / 9 = 0.11
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