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Numerical data is numbers. Non-numerical data is anything else.
The range is the difference between the greatest and least numbers.
Numerical Expression: 1.) 20+2-8 ( Or any other number with two symbols on math ) Algebraic Expression: 2.) h x 2 ( Or any other number using only one symbol an a letter ) The difference between a numerical and algebraic expressions is that numerical expressions use only numbers, but algebraic expressions use letters as variables to represent numbers.
What is a literal coefficient? Expressions are made up of terms joined by adding and subtracting. Terms are made up of numbers and variables multiplied together. In the term 3xy5, 3 is the (numerical) coefficient, and xy5 is the literal coefficient.
A numerical expression uses numbers and operations. It also has an equal sign. An algebraic expression uses variables and operations. Unlike a numerical expression it does not have an equal sign.