How Many Possible Combinations of a 4 Digit Number?

Answer

The number of 4 digit combinations are numerous. If using the numbers zero to nine the combinations can be 0000,t0001, 0002, 0003, 0004, 0008, 0009, 0010, 0011, 0012, 0013 0014, 0018, 0019, 0020, 0021, 9980, 9981, 9982, 9983 and 9984.
Q&A Related to "How Many Possible Combinations of a 4 Digit..."
If you allow zero to be in the first positions (0000 and 0001, etc) then there are 10,000 combinations (0000 to 9999) If zero can not be in te first position, remove 0000 to 0999
http://wiki.answers.com/Q/How_many_possible_combin...
You have 10 choices for the first digit, then 10 choices
http://www.chacha.com/question/what-are-all-of-the...
You have 5 choices for the first number, 5 choices for the second,
http://www.quora.com/Mathematics/How-many-combinat...
4 digits means less than 5 digits and greater than 3 digits. This eliminates all numbers greater than 9999 and all numbers less than 1000. How many numbers are there between 1000
http://uk.answers.yahoo.com/question/index?qid=200...
1 Additional Answer
The possible combinations of a 4 digit number will be approximately 10,000. This combination of four numbers is often used as a code or pin number for many electronic devices. 4 digit number combinations are easy to remember.
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