Natalia24
Natalia24 Natalia24
  • 08-09-2017
  • Mathematics
contestada

27^-2/3

A. 9
B. 1/9
C. -1/9
D. -9

Respuesta :

choixongdong
choixongdong choixongdong
  • 08-09-2017
27^-2/3
= (3^3)^-2/3
= 3^-2
= 1/3^2
= 1/9

answer
B. 1/9
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