Question

Write in simplest form

Answer 1

this

Answer 2

\[(8a^{-3})^\frac{ -2 }{ 3 }\]
\[(2^{3}a^{-3})^\frac{ -2 }{ 3 }\]
\[(2a^{-1})^{-2}\]
\[\frac{ a^{2} }{ 4 }\]

Answer 3

Thank you!

Answer 4

glad to help :)