Find the error intervals for the following truncated numbers

Question 1:

1.146 (3 d.p.)
1.146≤x<1.147

Question 2:

3.585 (3 d.p.)
3.585≤x<3.586

Question 3:

7460 (3 s.f.)
7460≤x<7470

Question 4:

3.730 (3 d.p.)
3.730≤x<3.731