8. What is difference between modulus operator ( % ) and fmod (Operandi, Operand2)1? 9. What is constant identifier? 10. How many ways can you define a constant? 11. What is precedence of operators? 12. Explain how bitwise operators work. Give an example. 13. Explain how shift left operator works. Give an example. 14. Explain how shift right operator works. Give an example. 15. Use evaluation tree to evaluate the following expression: (45- 4*5(7*4- 8)* (12/4 4 2)) 16. Write the truth table for logical operators AND, OR, and Not