How many liters are in 450 milliliters? 

A.

 0.45 liters.

B.

 45 liters.

C.

 4.5 liters.

D.

0.045 liters.

To convert milliliters to liters, use the conversion factor:

1 liter = 1,000 milliliters.

So, to convert 450 milliliters to liters:450 milliliters÷1,000=0.45 liters450 \text{ milliliters} \div 1,000 = 0.45 \text{ liters}450 milliliters÷1,000=0.45 liters

Thus, 450 milliliters is equal to:

A. 0.45 liters