Question

What is an expression? 

1. The same thing as a statement 

2. An expression is a list of statements that make up a program 

3. An expression is a combination of literals, operators, variables, and parentheses used to calculate a value 

4. An expression is a number expressed in digits.

Answer 1

3. An expression is a combination of literals, operators, variables, and parentheses used to calculate a value