Q: What is an example of a numerical expression and a variable expression?

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It is a poorly worded question. Any number in an expression can be a numerical variable.

The variable.

It is a numerical expression.

A numerical constant.

Multiplicand times multiplier equals product. If the expression includes a variable, the numerical factor is the coefficient.

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A variable expression.

A variable expression includes variables.

It is a poorly worded question. Any number in an expression can be a numerical variable.

The variable.

Numerical expressions solely include numbers, while algebraic expressions may contain a variable like x. An example of a numerical expression is 1+2 and an example of an algebraic expression is 2x+3y=0.

The variable.

It is a numerical expression.

Multiplicand times multiplier equals product. If the expression has a variable, the numerical factor of the variable is the coefficient.

A numerical constant.

Yes. Anything which you can evaluate (calculate) to get a number is a numerical expression. Thus, all of the following are numerical expressions:5x (if the variable stands for a number)1 + 25 / 3square root of (5 / 3)In general:* Any number* Any variable that stands for a number* An addition, subtraction, multiplication, division, or power that involves numerical expressions is again a numerical expression (as long as the operation makes sense - for example, you can't divide by zero)* Many mathematical functions, with a numerical expression as a parameter - for example, sin(5 + 3), ln(10), etc.

Multiplicand times multiplier equals product. If the expression includes a variable, the numerical factor is the coefficient.

you have to deduce the variable and evaluate the expression.