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You have 9 options for the first digit; whichever digit you choose you have 8 options for the second digit, 7 for the third digit, 6 for the fourth digit - so you have a total of 9 x 8 x 7 x 6 different combinations. Sure I could make a list, but that would be rather boring - and utterly useless as well.

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Q: How many possible 4 digit combinations of the numeric values 1-9 how do you make a list of them?

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90

3.918208205 X 10^11 I think but I'm stupid so probably wrong

There are 210 4 digit combinations and 5040 different 4 digit codes.

When a number is a multiple of 5, the possible values of the ones digit are zero and five.

== I suggest starting with a pen and a piece of paper. == Any number which is above 9 isn't a digit (in denary) None of the numbers from 1 to 45 are 7 digits long

There are 5,040 combinations.

When a number is a multiple of 5, the possible values for the ones digit are zero and five.

105 = 100000

As the number has to start with 15, we have only 3 remaining digits to work with. There are 3 possible options for the first digit. Then out of each of these, 2 possible options for the second digit, and one option for the last. This means that in total there are 3x2x1 (6) possible combinations. These are: 15234 15243 15324 15342 15423 15432

56 combinations. :)

Assuming each "digit" actually has 10 different states, there are one million combinations possible in a six-digit combination lock. However, many combination lock designs actually have fewer than 10 different states per "digit", resulting in far fewer actual combinations on such locks.

106 or a million.

I can't

There are 27 possible combinations.

There are 720 of them!

if its not alphanumeric, 999999 variations

You don't mean "3 possible digit combinations"; you mean "3-digit possible combinations"and you also forgot to specify that the first digit can't be zero.(We wouldn't have known that, but two of your buddies asked the same questionabout 7 hours before you did.)The question is describing all of the counting numbers from 100 to 999.That's all of the counting numbers up to 999, except for the first 99.So there are 900 of them.

Answer: 2The values are 0 or 1.

There are 9999 possible combinations starting from 0000 to 9999

10,000

If you are allowed to repeat letters (A-Z) then there are 17,576 different combinations. If you can not repeat letters then there are 15,600 combinations.

We can use 36 characters for each of the slots in the combination. Therefore, we have 36^11 possible combinations, or 131,621,703,842,267,136 combinations.

There can be only one combination with four digits. Changing their order gives permutations, NOT combinations.The following are possible combinations:1 digit: 1, 4, 6.2 digit: 11, 14, 16, 463 digit: 114, 116, 146.

There are actually 8,998 of them . . . all of the counting numbers from 1,000 to 9,999 . The list is too large to present here, but if you can count, then you'll have no trouble generating it on your own.

There are 10,000 4 digit combinations possible with the Digits 0-9