Respuesta :

Answer:

81x^14 y^10 z^18

Step-by-step explanation:

ehwa23

Answer:

9x^14 * y^5 * z^18

Step-by-step explanation:

(9x^7 * y^5 * z^9) ^2 = 9x^14 * y^5 * z^18

(WARNING: i might be wrong)