To find the equivalent value of \( 6^{-2} \), we can use the property of exponents that states \( a^{-b} = \frac{1}{a^b} \).
So, \[ 6^{-2} = \frac{1}{6^2} \]
Calculating \( 6^2 \): \[ 6^2 = 36 \]
Thus, \[ 6^{-2} = \frac{1}{36} \]
Therefore, the equivalent expression to \( 6^{-2} \) is:
1/36.