#### Answer

$\frac{-1}{12}$

#### Work Step by Step

The negative exponent rule states that for every non zero number $a$ and integer $n$, $a^{-n}$ = $\frac{1}{a^n}$.
Hence,the value of the given expression equals the negative of $12^{-1}$,
which is -$\frac{1}{12}$ .