Respuesta :

altavistard
Given    (9c^-9)^-3

                                                         -9
I'd apply the exponent -3 to 9 and c      separately, obtaining:

   -3         -9    -3
9      * [ c      ]

...which is best written as:

  1            1
------- * ---------
 9^3       c^27

Please note:  you were to share the 4 possible answers.  Do that now, please.

Answer: B. 1/729 c^27

Step-by-step explanation: Got it right on edgunuity. Hope this helps!