Ответ:
\(\dfrac{7^{10}\cdot5^8}{(7\cdot5)^9}=\dfrac{7^{10}\cdot5^8}{7^9\cdot5^9}=7\cdot5^{-1}=\dfrac{7}{5}\).
Ответ: \(\dfrac{7}{5}\).
\(\dfrac{7^{10}\cdot5^8}{(7\cdot5)^9}=\dfrac{7^{10}\cdot5^8}{7^9\cdot5^9}=7\cdot5^{-1}=\dfrac{7}{5}\).
Ответ: \(\dfrac{7}{5}\).