I don't get it.

Question

I need to find out these conversions.

15,000 g= ____ kg
5,000 mL= ____ L
75 mL= ____ L
390 mL= ____ L
0.03 m= ____ mm
6 m= _____ mm
2.48 L= ______ mL
43.2 L= ______ mL
807 mL= _____ L
3,751 m= _____ km

Answer 1

1 kg = 1,000 g
15 kg = 15,000 kg

1 L = 1,000 mL
5 L = 5,000 mL

Study this site and take it from here.

http://mste.illinois.edu/dildine/tcd_files/metric/length.htm