belasmith455 belasmith455
  • 18-02-2022
  • Mathematics
contestada

Evaluate

a) 9^-1/2
b) 27^-2/3​

Respuesta :

abbywolfe590 abbywolfe590
  • 18-02-2022

Answer:

a 1/3

b 1/9

Step-by-step explanation:

a. express with a positive exponent  using a^-n = 1/a^n

1/9^1/2

write in exponential form

1/ (3^2)^1/2

cancel out the 2 and 1/2

1/3

Answer Link
zibahkeshiro
zibahkeshiro zibahkeshiro
  • 18-02-2022
Answer:a)1/3
b)1/9

Step-by-step explanation:

Ver imagen zibahkeshiro
Answer Link

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