3. Вычислите: б) (-5)^3 · (-5)^10 / (5^3)^3.

Ответ:

(-5)^3 · (-5)^10 / (5^3)^3 = (-5)^(3+10) / 5^(3*3) = (-5)^13 / 5^9 = -(5^13) / 5^9 = -5^(13-9) = -5^4 = -625.