5.1.8 Prefixes in the Metric System
By now, you’ll probably have guessed the pattern of units. Working from liters, the two most common multiples are the centiliter (cl), which is one-hundredth of a liter (just as 1 centimeter is one-hundredth of a meter), and the milliliter (ml), which is one-thousandth of a liter.
Try the next activity to see how these prefixes work.
Activity: A Dose of Medicine
A new bottle of medicine contains 14 cl. The dose is 5 ml. How many doses can be given from this bottle?
To find the number of doses, the volume of the bottle and the dose need to be in the same units. There are 10 ml in 1 cl. Therefore, .
So, the number of doses in the bottle is , or 28 doses.