Answer:
300 milliliters per second.
Explanation:
We have been given that Uche pumps gasoline at a rate of 18 liters per min. We are asked to convert Uche's rate in mililiters per sec.
We know that 1 liter equals 1000 ml.


We also know that 1 minute equals 60 seconds.


Therefore, Uche's pumping rate is 300 milliliters per second.