4. Social Security numbers are in the form ###-##-, where each symbol represents a number 0 through 9. How many Social Security numbers are possible using this format?

10^9 = 1,000,000,000 possibilities

Step-by-step explanation:

Technically, it would be 999,999,999 because nobody can be 000-00-0000, but for the sake of your assignment, it is 1 billion. Hope this helped!

describing distributions is one of the key skills you’ll need to earn a high score on the ap statistics exam. if you need proof of this, just flip through some past exam questions, which can be found at the collegeboard website. you’ll notice that the first free response question is almost always a question requiring you to look at a graph and describe it.

step-by-step explanation: just trying to get points sorry : (

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step-by-step explanation: