Why is it necessary to take the average of multiple trials to find density?

Answer and Explanation:

As we realize that for density calculation we need to manage  numerous elements like volume of solid,mass of strong ,pore space (if present) , measure of pore space loaded up with water so there is numerous odds to get a mistake in density estimation , likewise moisture can also influence its worth.

So as to get the most fitting worth or to limit mistakes we need to take different preliminaries to discover thickness esteem.