Use Negative Power Rule: <span>{x}^{-a}=\frac{1}{{x}^{a}}<span><span>x<span><span><span>−a</span></span><span></span></span></span>=<span><span><span>x<span><span>a</span><span></span></span></span></span><span>1</span><span></span></span></span></span> <span>\frac{1}{{6}^{2}}<span><span><span>6<span><span>2</span><span></span></span></span></span><span>1</span><span></span></span></span> 2 Simplify <span>{6}^{2}<span>6<span><span>2</span><span></span></span></span></span> to <span>36<span>36</span></span> <span>\frac{1}{36}<span><span><span>36</span></span><span>1</span><span></span></span></span> Done