Which is the most appropriate unit to measure the weight of groceries in a store?

Question

Quizplus · Accepted Answer

While describing various physical quantities, it is best to use appropriate units of measure. Using other units of measure to describe a quantity gives either very small or very large number value. It becomes difficult to estimate the magnitude of the quantity, if inappropriate units are used.
The appropriate scale for the measurement of the weight of groceries would the kilogram. This is because the weight of most groceries is a "medium range" weight, so that it would be difficult to determine its weight while reading on a smaller scale like the micro- or nanograms. Tons are used to measure extremely heavy things, such as elephants.

Which Is the Most Appropriate Unit to Measure the Weight