The figure above show an example of a 4-digit identification code used by a certain bank for its customers. If the digits in the code must appear in descending numerical order, not using zero and no digit can be used more than once, what is the difference between the largest and the smallest possible codes?
Recently Asked Questions
- A delivery car had a first cost of $24,000, an annual operating cost of $20,000, and an estimated $4000 salvage value after its 6-year life. Due to an
- please help me answer these question i really confuse about it thank you
- we continually hear about interest groups in the news. understanding this, what is the relationship between interest groups and government? how does this apply