Respuesta :

sqdancefan

Answer:

  m/81

Step-by-step explanation:

Expand the given expression and substitute for 9^k:

  9^(k-2) = (9^k)(9^-2) = m(9^-2) = m/9^2 = m/81

Shadowgirl123

Answer:

m=81

Step-by-step explanation:

m=81 Because  m/9^2 = m/81

Hope this helps you.

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