Решение задания 457

• a) $$25^4 = (5^2)^4 = 5^{2 \cdot 4} = 5^8$$
• б) $$125^3 = (5^3)^3 = 5^{3 \cdot 3} = 5^9$$
• в) $$625^2 = (5^4)^2 = 5^{4 \cdot 2} = 5^8$$