Question

The new shanghai restaurant offers a choice of three appetizers, five choices of soups, and ten choices of entrees for its lunch special. how many different complete lunches can be ordered from the restaurant's lunch special menu?

Answer 1

3! possible ways for appetizers 
5! possible ways for soups 
10! entrees for lunch special 

Therefore, 

3! 5! 10! ways of ordering the lunch special menu. 

Hope I helped :)