(1/36)^(w+2) = (1/216)^(4w
did you realize that 36 = 6^2 and 216= 6^3
(1/6^2)^(w+2) < (1/6^3)^(4w)
6^(-2(w+2)) < 6^(-3(4w))
6^(-2w-4) < 6^(-12w)
then -2w-4 < -12w
10w < 4
w < 4/10 or
w < 2/5 or .4
(1/36)^w+2 < (1/216)^4w
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