Ответ:\(\sqrt{841}=29\).\(\sqrt{1296}=36\).\(\sqrt{9.61}=3.1\).\(\sqrt{10.24}=3.2\).\(\sqrt{72.25}=8.5\).\(\sqrt{672400}=820\).Ответ: 1) 29; 2) 36; 3) 3.1; 4) 3.2; 5) 8.5; 6) 820.