Ответ:

Используем обратное правило: \(\dfrac{1}{a^m}=a^{-m}\), а \(\dfrac{1}{a}=a^{-1}\).

ДробьСтепень
\(\dfrac{1}{4^5}\)\(4^{-5}\)
\(\dfrac{1}{12}\)\(12^{-1}\)
\(\dfrac{1}{t^6}\)\(t^{-6}\)
\(\dfrac{1}{c}\)\(c^{-1}\)
\(\dfrac{1}{8^4}\)\(8^{-4}\)
\(\dfrac{1}{(b-k)^7}\)\((b-k)^{-7}\)