Réponses

  • Utilisateur Brainly
2013-07-01T08:28:40+02:00

(-8)^3*(9)^-2*(27^3)

=-(8*27)³ x 1/9²

=-(2³ x 3³)³ x 3^(-4)

=-2^9 x 3^9 x 3^(-4)

=-2^9 x 3^5

=-512 x 243

=-124 416