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How many 9 digit combinations are there for the numbers 1 through 9?
Wiki User
∙ 15y ago
9 times 9 times 9 times 9 times 9 times 9 times 9 times 9 times 9 =
Imagine it's a combination lock with 9 tumblers. Each tumbler has 9 "positions" - the digits from 1 to 9. So you multiply the number of digits [9] against itself [9] for as many tumblers are in the combination (9).
Tumbler # 1 2 3 4 5 6 7 8 9
Number of
possible
digits 9 9 9 9 9 9 9 9 9
Wiki User
∙ 15y ago
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If using numbers 0 through 9 how many 3 digit combinations?
1,000. The list looks just like the counting numbers from 000 to 999 .
How many unique 6 digit combinations can be found in 51 numbers?
Any 6 from 51 = 18,009,460 combinations
How many 5 digit combinations for numbers 1- 25?
There are 9 1-digit numbers and 16-2 digit numbers. So a 5 digit combination is obtained as:Five 1-digit numbers and no 2-digit numbers: 126 combinationsThree 1-digit numbers and one 2-digit number: 1344 combinationsOne 1-digit numbers and two 2-digit numbers: 1080 combinationsThat makes a total of 2550 combinations. This scheme does not differentiate between {13, 24, 5} and {1, 2, 3, 4, 5}. Adjusting for that would complicate the calculation considerably and reduce the number of combinations.
How many 4 digit combinations can be made using numbers 1 2 3 4 6?
120 combinations using each digit once per combination. There are 625 combinations if you can repeat the digits.
How many 3 digit combinations in numbers 1-6 including 1 and 6?
If you are able to repeat numbers you would take 6 * 6 * 6 = 216 combinations. If you are not able to repeat numbers you would take 6 * 5 * 4 = 120 combinations.
If using 7 single digit numbers how many different combinations can you get?
Number of 7 digit combinations out of the 10 one-digit numbers = 120.
How many 10 digit combinations are there for the numbers 0 through 9?
Exactly 3,628,800, or 10!.
How many 6 digit combinations are there in 20 numbers?
There are 38760 combinations.
How many 5 digit combos in 30 numbers?
The answer will depend on how many digits there are in each of the 30 numbers. If the 30 numbers are all 6-digit numbers then the answer is NONE! If the 30 numbers are the first 30 counting numbers then there are 126 combinations of five 1-digit numbers, 1764 combinations of three 1-digit numbers and one 2-digit number, and 1710 combinations of one 1-digit number and two 2-digit numbers. That makes a total of 3600 5-digit combinations.
How many 7 digit combinations can be made using the numbers 1 through 9?
It is: 9C7 = 36
If using numbers 0 through 9 how many different 4 digit combinations can be made?
66
If using numbers 1 through 8 how many different 4 digit combinations can be made?
15
If using numbers 1 through 4 how many different 4 digit combinations can be made?
10,000
How many 7 digit combinations can you have if you can only use the numbers 0 through 9 once each?
10!/3! = 604800 different combinations.
How many 7 digit combinations are there for numbers 1 through 9?
that would be 9 to the 7th power i believe.
How many 5 digit combinations are there from 1-20?
There are 1140 five digit combinations between numbers 1 and 20.
How many different 3 digit combinations can be made using numbers one through nine?
Through the magic of perms and coms the answer is 729
