Answer:
The German Democratic Republic (GDR), German: Deutsche Demokratische Republik (DDR), often known in English as East Germany, existed from 1949 to 1990.
Odoacer I think, Im not entirely sure
You have to attract the readers attention so they are engaged to reading more. Beginning with a hook grabber
For the questions number 1, 2, and 3 the answers are:
1- 4.16 x 13 = 54.08
2- 6.47 x 0.4 = 2.588
3- 7.05 x 9.4 = 66.27
I hope I could help :) let me know if you want question number 4 answered also.