Find the error intervals for the following rounded numbers

Question 1:

3.346 (3 d.p.)

3.3455≤x<3.3465

Question 2:

0.0002 (1 s.f.)

0.00015≤x<0.00025

Question 3:

3.98 (2 d.p.)

3.975≤x<3.985

Question 4:

0.1 (1 d.p.)

0.05≤x<0.15