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Math Help - [SOLVED] credit card combinations problem

  1. #1
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    Exclamation [SOLVED] credit card combinations problem

    with a credit card the first six digits that appear on the card are to identify the issuer. How many issuers are there given each digit 0-9 can be used more than once.

    this problem has slipped my mind, I know it sounds easy, but forgot how to do these types of problems, can someone please help
    Last edited by mandy123; February 23rd 2009 at 04:22 PM.
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  2. #2
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    Quote Originally Posted by mandy123 View Post
    with a credit card the first six digits that appear on the card are to identify the issuer. How many issuers are there given each digit 0-9 can be used more than once.

    this problem has slipped my mind, I know it sounds easy, but forgot how to do these types of problems, can someone please help
    10^6 assuming 000000 is a legitimate string of digits.
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