[tex]\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------\\\\
\cfrac{b^4c^3d^4}{b^3d^3}\implies b^4c^3d^4b^{-3}d^{-3}\implies b^4b^{-3}c^3d^4d^{-3}\implies b^{4-3}c^3d^{4-3}
\\\\\\
b^1c^3d^1\implies bc^3d[/tex]
