Ответ:\(\sqrt{4^6}=4^3=64\).\(\sqrt{4^4}=4^2=16\).\(\sqrt{6^4}=6^2=36\).\(\sqrt{8^4}=8^2=64\).\(\sqrt{5^6}=5^3=125\).Ответ: 1.1) 64; 1.2) 16; 1.3) 36; 1.4) 64; 1.5) 125.