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Q: How many two digit combinations for number 1 through 9?
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Related questions

How many combinations are there for a four digit number?

64


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 5 digit combinations are there in 1 through 35?

100


How many times a three digit number is divisible by 5 in permutations and combinations?

It depends on how many digit you are choosing from.


How many 3 digit combinations are there in 1 to 21?

I am assuming you mean 3-number combinations rather than 3 digit combinations. Otherwise you have to treat 21 as a 2-digit number and equate it to 1-and-2. There are 21C3 combinations = 21*20*19/(3*2*1) = 7980 combinations.


How many different four digit combinations are there of the numbers zero through nine and using one number twice in the combination?

There are 360 of them.


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 four digit combinations can be made from the number nine example 1 2 3 39?

How many four digit combinations can be made from the number nine? Example, 1+1+2+5=9.


How many combinations of 2 and 3 digit number using 4 and 8?

the answer is = first 2-digit number by using 48= 28,82 and in 3 digit is=282,228,822,822


How many combinations are in a 5 digit number where all digits are distinct and nonzero?

There are 126 different 5 digit combinations. Note that the combination 12345 is the same as the combination 45312.


How many two digit number combinations can you get using the number 1234 without repeating a digit?

There are twelve possible solutions using the rule you stated.


How many 6 digit combinations from a 49 digit universe will contain a particular 3 digit combination?

There are 15180 combinations.