# Question #b61c3

$\frac{1}{121}$
I am assuming the question is how to simplify ${11}^{-} 2$.
Use the exponent rule ${x}^{-} a = \frac{1}{x} ^ a$
${11}^{-} 2 = \frac{1}{11} ^ 2 = \frac{1}{121}$