There is no sensible answer to the question since it is impossible to measure volume in millimetres.
The answer will depend on what quantity is being measured. Since that has not been specified, there can be no sensible answer.
to measure a small trashcan
It is not possible to give a sensible answer to this question. Grams are a measure of mass, cm is a measure of length. It is not possible to convert one to the other. It is similar to asking how many grams from your home to your school.
There can be no sensible answer to the question. A gram is a measure of mass. A quart is a measure of volume. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid. If you are not convinced, consider a quart of water. How many grams? Next consider a quart of treacle. How many grams?
Weighing via 15 kg's.
Weighing via 15 kg's.
Not by any sensible, repeatable way, no.
Pints would be the most sensible unit. The other sensible unit is litres.
milligrams
There is no sensible answer to this question. A gallon is a measure of volume and and that cannot be converted to a measure of area.
There is no sensible answer to this question. A litre is a measure of volume whereas a millimetre is a measure of length.
This question is not sensible; kilometres measure distance and hours measure time, so that there is no general relationship between them.
This question can have no sensible answer since a foot (feet) is a measure of length while an acre is a measure of area.
This is not a sensible question, because square meters measure area and miles measure length.
There can be no sensible answer to this question. An ounce is a measure of mass, a square foot is a measure of area and there is no relationship between the two.
never * * * * * When the data are qualitative. The mean and median are unusable in such cases and the mode is the only sensible measure.