Can one number be an expression?

Related questions

1. How polynomials are used in real life?
2. Why is it called algebra?
3. How can you solve a multi step equation?
4. What is a open equation?
5. Why is algebra important in life?
6. How do you steer a conversation?
7. What is the word for changing the subject?
8. What is an example of an expression?
9. What is the difference between polynomial and equation?
10. Can you simplify a whole number?

Tags

1. #subtracted
2. #multiplied
3. #terms
4. #front
5. #negative
6. #letter
7. #expression
8. #examples
9. #contain
10. #never
11. #positive
12. #single
13. #number
14. #variables
15. #several
16. #variable
17. #added
18. #mathematical