4 Digit Number Possible Combinations?

Answer

There are 10, 000 possible combinations of a 4 digit number. The way it is calculated, is to take the number of possiblities in first spot, then do the same for the second, third and fourth spots. The last step is to multiply 10x10x10x10 which equals 10, 000.
Q&A Related to "4 Digit Number Possible Combinations?"
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...
there are 9 possible numbers: 0,2,3,4,5,6,7,8,9. These can be combined in 9^4 ( 6561) ways if numbers can be repeated (i.e. 0000 or 9999 for example) or in 9 x 8 x 7 x 6 ( 3024) ways
http://answers.yahoo.com/question/index?qid=201109...
Since all normal digits are used, there are 10000 possible combinations. Thats quite a lot of possibilities! report this answer. Updated on Wednesday, February 01 2012 at 09:51PM
http://www.kgbanswers.com/how-many-different-combi...
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