a quantity that can have different values and can be represented with a word, symbol or pronumeralexpand

The description you provided refers to a "variable". In mathematics and science, a variable is a quantity that can change or vary. It can be represented by a symbol, a letter, or a word.

Here are the steps to understand it:

1. Identify the Variable: In an equation or a problem, identify the quant Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.