paulacalderascolin paulacalderascolin
  • 30-11-2020
  • Mathematics
contestada

Evaluate the logarithm.
log9(1/81)
a. 2
b. -2

Respuesta :

jameeahfreeman12 jameeahfreeman12
  • 30-11-2020
answer : -2

step by step explanation :

Log9(1/81)

Log3^2(1/81)

Log3^2(3/^-4)

-2
Answer Link
marwafa marwafa
  • 30-11-2020
The answer is -2
Because 9=3^2
And 1/81 = 3^-4
So you can rewrite it and get
Log 3^2 (3^-4)
And to solve it use x/y
You will get -4/2=-2
Answer Link

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