It is an algebraic expression.
The definition is A combination of variables, numbers, and at least one operation.
Expression
Equation
Other even prime contains at least three factors,they are 1, the number itself and 2 . So they are composite numbers.
An expression.
It is an algebraic expression.
2×+4×-5 An expression does not have an equal sign but can be solved has numbers, variables, and at least one operation
The definition is A combination of variables, numbers, and at least one operation.
Expression
Equation
It is an algebraic expression.
A combination of variables,numbers,and at least one operation!
It is called an expression.
Carbon Dioxide concentration
A number does not contain an operation.A number does not contain an operation.A number does not contain an operation.A number does not contain an operation.
That looks like the description of an EXPRESSION. However, an expression need not have "at least one operation"; a single number, or variable, is a perfectly valid expression.