Just to clarify, is the equation you need:
y = 27.003 (x) e^(-1.1001), where e is the Natural Logarithm Base
or
y = 27.003 (x)^(-1.1001)
The former is easier since it is essentially all constants which end up being very close to, y = (27.003)(x)(0.3328) =~ 9(x). The latter can quite closely be approximated by, y = (27)(1/x) = 27/(x).
Any of these what you are wanting?
ylp88