SOLUTION: A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first two digits cannot be 0?

Algebra.Com
Question 480306: A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first two digits cannot be 0?

Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
It's 9 digits
-------------
For the 1st 2, it's 1 of 9, the other 7 are 1 of 10
--> 9*9*10E7
=
= 810,000,000

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first two digits cannot be 0?
-----
1st: 9 ways
2nd: 9 ways
Other 10^7
---
Ans: 810,000,000
===================
Cheers,
Stan H.

RELATED QUESTIONS

Question 1: A typical Social Security number is 555-47-5593. How many Social Security... (answered by aprylk25)
A TYPICAL SOCIAL SECURITY NUMBER IS 555-47-5593. HOW MANY SOCIAL SECURITY NUMBERS ARE... (answered by solver91311)
A typical Social Security number is 555-47-5593. How many Social Security numbers are... (answered by oberobic)
A typical Social Security number is 555-47-5593. How many Social Security numbers are... (answered by MathLover1)
A typical Social Security number is 555-47-5593. How many Social Security numbers are... (answered by jim_thompson5910,richwmiller)
A typical Social Security number is 555-47-5593. How many Social Security numbers are... (answered by Fombitz)
A typical Social Security number is 555-47-5593. How many Social Security numbers are... (answered by ikleyn)
A typical Social Security number is 555-47-5593. How many Social Security numbers are... (answered by MathLover1)
Social Security Numbers: A social security number consists of nine digits. How many... (answered by stanbon)