Find the error intervals for the following rounded numbers

Question 1:

1.55 (2 d.p.)

1.545≤x<1.555

Question 2:

33000 (2 s.f.)

32500≤x<33500

Question 3:

2000 (1 s.f.)

1500≤x<2500

Question 4:

5.13 (2 d.p.)

5.125≤x<5.135