Question

Please let me know I am confused

Answer 1

For number 7 it is
3,368742
3,356,000
2'937,158
2,359,412
And for number 8 it is
2,112,300
2,103,425
2,009,832
2,009,604

Answer 2

1. 2,359,412; 2,937,158; 3,356,000; 3,368,742

2. 2,009,604; 2,009,832; 2,103,425; 2,112,300