Question

Medal given

Answer 1

@surjithayer

Answer 2

\[\left( \frac{ m ^{3} }{ 4c ^{5} } \right)^{-4}=\frac{ m ^{-12} }{ 4^{-4}c ^{-20} }=\frac{ 4^{4}c ^{20} }{ m ^{12} }=?\]