I don't get it.

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

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

To find the conversions, you need to understand the relationships between the different units of measurements. Here are the conversions for each of the given values:

15,000 g = ____ kg:
To convert from grams (g) to kilograms (kg), divide the given value by 1000. In this case, 15,000 g ÷ 1000 = 15 kg.

5,000 mL = ____ L:
To convert from milliliters (mL) to liters (L), divide the given value by 1000. In this case, 5,000 mL ÷ 1000 = 5 L.

75 mL = ____ L:
Following the same conversion, divide 75 mL ÷ 1000 = 0.075 L.

390 mL = ____ L:
Again, divide 390 mL ÷ 1000 = 0.39 L.

0.03 m = ____ mm:
To convert from meters (m) to millimeters (mm), multiply the given value by 1000. In this case, 0.03 m x 1000 = 30 mm.

6 m = _____ mm:
Multiply 6 m x 1000 = 6000 mm.

2.48 L = ______ mL:
To convert from liters (L) to milliliters (mL), multiply the given value by 1000. In this case, 2.48 L x 1000 = 2480 mL.

43.2 L = ______ mL:
Similarly, multiply 43.2 L x 1000 = 43,200 mL.

807 mL = _____ L:
To convert from milliliters (mL) to liters (L), divide the given value by 1000. In this case, 807 mL ÷ 1000 = 0.807 L.

3,751 m = _____ km:
To convert from meters (m) to kilometers (km), divide the given value by 1000. In this case, 3,751 m ÷ 1000 = 3.751 km.

Remember, these conversion factors can be generalized for similar units of measurements.