Question

How many millilitres is $ 0.55 {\text{L}} $ ?

Answer 1

Hint: This is a very simple problem which can be easily solved in a single step by directly converting litres into millilitres. All we should know to solve this problem is the conversion factor. And then we can apply basic unitary methods to solve this question.

Formula Used
We will use the following formula to solve this problem
 $ 1{\text{ L}} = 1000 {\text{mL}} $

Complete Step-by-Step solution
According to the question, the volume provided to us is $ 0.55 {\text{L}} $ .
This value is given in litres. All we have to do is to use the conversion factor to find the required volume in millilitres by using a simple one step unitary method.
 $ 1 {\text{L}} $ contains $ 1000 {\text{mL}} $
So, $ 0.55 {\text{L}} $ will contain $ \dfrac{{1000 {\text{mL}}}}{{1 {\text{L}}}} \times 0.55{\text{ L}} $ litres
Upon solving the above expression, we can conclude that
 $ 0.55 {\text{L}} $ will contain $ 550 {\text{mL}} $
Hence, the required solution is $ 550 {\text{mL}} $ .

Additional Information:
The greatest benefit of the SI unit is that it has a single unit in each quantity. This suggests that when there are no conversion variables to be memorized by students, switching from one unit to another (within the system) is never required. Therefore, the one and only SI unit for length is metre. Most of us know what SI units are, but what SI means is not known to us. That simply means international unit systems. The units used in the measurement of physical quantities are collectively referred to as SI units. It was developed and recommended for international use in scientific, technical, industrial and commercial work by the General Conference on Weights and Measures in $ 1971 $ .

Note:
For everyone, the calculation for sufficient care should be the same. Thus, uniformity of calculation should be present.
A unit of measurement is a certain specific quantity chosen as the norm from which other units of the same kind are made. The word standard extends to the physical entity focused on by the measuring device.