DislikedHey Daz
Hope you didn't bet big.
But how about this.
Do you mean 3ⁿ = 1/9?
By logs, we obtain:
nlog(3) = log(1/9)
Divide both sides by log(3)
n = log(1/9)/log(3)
n = -2
Shortcut: Note that 1/9 = 3^(-2).
I hope this helps!
I have no clue... but yahoo answers had that.Ignored
Daz.
Keep smiling