I can't show my work, because there are so many questions and I simply don't have the time, but I will give you the answers.
1.) > 2.) < 3.) > 4.) < 5.) < 6.) >
7.) 3,368,742 then 3,356,000 then 2,937,158 then 2,359,412.
8.) 2,112,300 then 2,103,425 then 2,009,832 then 2,009,604.