The order of the given units from least to greatest is
cup < pint < quart < gallon
What is unit conversion?
Unit conversion is a process with multiple steps that involves multiplication or division by a numerical factor or, particularly a conversion factor.
According to the given question.
We have different units gallon, pint, cup and quart of volume.
For arranging the above units from least to greatest we use unit conversion.
Since,
1 gallon = 16 cups
1 quart = 4 cups
and
1 pint = 2 cups
So, we have converted all the units in cups.
Hence, the order of the given units from least to greatest is
cup < pint < quart < gallon
Find out more information about unit conversion here:
https://brainly.com/question/10943201
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