corinnna
corinnna corinnna
  • 06-06-2021
  • Mathematics
contestada

a) 9 to the power of minus 1 over 2 (9^-1/2)
b) 27 to the power of minus 2 over 3 (27^-2/3)

a 9 to the power of minus 1 over 2 912 b 27 to the power of minus 2 over 3 2723 class=

Respuesta :

osa16
osa16 osa16
  • 06-06-2021

Step-by-step explanation:

a) 9^-½

= (1/9)^½

= (√1)/(√9)

= 1/3

=0.333....

b). 27^-⅔

= (1/27)^⅔

=(³√1)²/(³√27)²

=1/9

=0.111.....

=

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