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 Sujet: phone number
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 Six-digit telephone numbers 2020-03-12 Lulamile pose la question :What is the probability that a six-digit telephone number has no repeated digits? The telephone number cannot begin with a zeroPenny Nom lui répond. The last two digits of a phone number 2016-04-03 Joshua pose la question :I want to find the last two digits of a phone number whose first eight numbers of a ten digit phone numbers are known.Penny Nom lui répond. Missing digits in a phone number 2015-01-07 Janelle pose la question :I had a friend try and play a game on me, regarding phone numbers, so I only know the area code , and the last four digits of the phone number. Which means, there are 3 digits that I need to figure out all the possibilities to.Penny Nom lui répond. Four digit phone numbers 2014-02-25 Tom pose la question :Hi, I'm an online math teacher, working on lessons for my students. This question is in their book and I can't do it...! Help! It has to do with phone numbers, and in this problem, we are only dealing with the last 4 digits of the number. It asks how many possible numbers we have if at least one digit repeats in the last 4 digits of the number.Penny Nom lui répond. 7 digit phone numbers 2013-12-08 Sean pose la question :Hi I was wondering how you would calculate how may 7 digit phone numbers there are with only odd digits?Penny Nom lui répond. Missing three digits in a phone number 2009-01-30 Elmer pose la question :I have part of a phone number. the first 3 digits are 212, the last digit is four, and the three missing digits are all odd, how many numbers will I have to call to get the right number? 212- _ _ _ 4?Stephen La Rocque and Penny Nom lui répond. Some phone numbers 2008-06-30 star pose la question :What do you think the probability of finding the last 3 digits of a telephone number if the 1st digit begins with 7?Janice Cotcher and Harley Weston lui répond. Phone number combinations 2007-01-04 Efrain pose la question :i want to know the different combinations for numbers 7 digits the number are 0-9 its basically the different phone number combinations example: 555-6689 or 565-4896 i just want to know for many different combinations are there....Penny Nom lui répond. Phone Number Possibilities 2000-01-09 Hamilton Weston pose la question :How do phone companies arrive at the possible number of phone numbers that can be generated for customers?Harley Weston lui répond.

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