DAY 31

Comment

1 m = 100 cm = 1000 mm,
so 1 mm = 1 thousandth of 1 m = 0.001 m.

Answer

1.302 m.

Readers' methods

Charles R M:
1 mm = 0.10 cm = 0.001 m
2mm = 0.002m.
The answer must be:
1.3 m + 0.002 m
= 1.302 m.