Question below.
Please help!

Answer:
[tex] {v}^{2} . {v}^{ - 6} .v[/tex]
[tex] = {v}^{2} . \frac{1}{ {v}^{6} } .v[/tex]
[tex] = \frac{ {v}^{3} }{ {v}^{6} } [/tex]
[tex] = \frac{1}{ {v}^{3} } [/tex]