Ответ:\(\sqrt[3]{7^3\cdot0,5^3}=7\cdot0,5=3,5\).\(\sqrt[3]{8^3\cdot6^3}=8\cdot6=48\).\(\sqrt[5]{2^5\cdot10^5}=2\cdot10=20\).Ответ: 1) 3,5; 2) 48; 3) 20.