Final answer:
To convert 578 liters to milliliters, multiply 578 by the conversion factor of 1000, because there are 1000 milliliters in a liter. The result is 578000 mL.
Step-by-step explanation:
To convert 578 liters of water to milliliters, we use the conversion factor that 1 liter is equivalent to 1000 milliliters.
Step 1: Start with the given volume in liters: 578 L.
Step 2: Multiply the volume in liters by the conversion factor to get milliliters: 578 L × 1000 mL/L.
Step 3: Perform the multiplication: 578 × 1000 mL = 578000 mL.
Therefore, the correct answer is 578000 mL, which is option a.