Find the error intervals for the following rounded numbers

Question 1:

1.70 (2 d.p.)
1.695≤x<1.705

Question 2:

400 (3 s.f.)
399.5≤x<400.5

Question 3:

5.024 (3 d.p.)
5.0235≤x<5.0245

Question 4:

0.2 (1 s.f.)
0.15≤x<0.25