Respuesta :

[tex]7u ^{-2} *8v ^{-2} = \frac{7}{u ^{2} } * \frac{8}{v ^{2} } = \frac{7*8}{u ^{2}*v ^{2} } = \frac{56}{(uv) ^{2} } [/tex]
7/64u^2 would be the answer.