Question

17.27. How many Social Security numbers (see Exercise 8.12) have their nine digits in strictly increasing order

Answer 1

Answer:

"10 possibilities" is the appropriate response.

Step-by-step explanation:

The numbers will be:

⇒ $123 \ 456 \ 789$

Now anyway we commence with right and afterwards remove nine from eight and seeing as maintain the sequence growing.

then,

• $012345678$
• $012345679$
• $012345689$
• $012345789$
• $012346789$
• $012356789$
• $012456789$
• $013456789$
• $023456789$

Thus, the above is the correct answer.