Question

1)2000mg= 2g
2)104km= 0.104m
3)480cm= 0.40m
4)5.6kg= 0.56g
5)8mm= 0.8cm
6)5L= 0.5mL
7)198g= 0.198kg
8)75mL= 0.075L
9)50cm= 0.05m
10)5.6m= 5.6cm
11)16cm= 1.6mm
12)2500m= 2.5km
13)65g= 0.065mg
14)6.3cm= 0.63mm
15)120 mg= 0.12g
Thank you, I just needed someone to check my work.

Answer 1

The following are wrong:
2, 3, 4, 6, 10, 11, 13, 14

Are you guessing at these?
How can 5.6 meters be also 5.6 cm ?