A pool holds 20,000 liters of water. How many milliliters is this?

Conversion factor: 1 liter = 1,000 milliliters

200,000,000 mL

2,000 mL

20,000,000 mL

20 mL

The correct answer is 20,000,000 mL.

To convert liters to milliliters, we can multiply by the conversion factor of 1,000 milliliters per liter.

So, 20,000 liters x 1,000 milliliters/liter = 20,000,000 milliliters.

Therefore, the pool holds 20,000,000 milliliters of water.