Why is it necessary to include units when reporting scientific measurements?

Solution 1Q

Step 1:

A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same quantity. Any other value of that quantity can be expressed as a simple multiple of the unit of measurement.

Knowing the units of measurement that correspond with a number can give many informations than a digit sitting there by itself. Units can:

It help to know the viewer about the exact amount of samples used .Assist in solving a mathematical problem, especially in chemistry,...