Answer:
[tex]\frac{1}{c^{3} }[/tex] or [tex]c^{-3}[/tex]
Step-by-step explanation:
[tex]c^{-5} * c^{2}[/tex] = [tex]\frac{1}{c^{5}}[/tex] * [tex]c^{2}[/tex] = [tex]\frac{c^{2} }{c^{5} }[/tex] ; simplify to [tex]\frac{1}{c^{3} }[/tex] = [tex]c^{-3}[/tex]