Question

a^5*(a^-3)^3 при a=1/4

Answer 1

a^{5}*(a^{-3})^{3}=a^{5}*a^{-9}=a^{-4}=frac{1}{a^{4}}
Если a=1/4. то frac{1}{a^{4}}=frac{1}{(1/4)^{4}}=frac{1}{1/256}=256