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How many number combinations are possible with three numbers?

If the numbers can be repeated and the numbers are 0-9 then there are 1000 different combinations.


How many combinations of 2 numbers are there in 6 numbers?

If numbers may be repeated . . . 36 If numbers may not be repeated . . . 30 If the sequence doesn't matter . . . 15


How many different 4 digit combinations are there for numbers 1 2 3 (assuming all three numbers are used and no numbers can be repeated more than once) (For example, 1233 is acceptable, but 1133 is not.)?

NOT AN ANSWER:More acceptable combinations:1231 3213 2321More unacceptable combinations:1112 2222 3113Thanks.


What are the possible combinations of a 3 digit lock for numbers 0 through 39?

Assuming that repeated numbers are allowed, the number of possible combinations is given by 40 * 40 * 40 = 64000.If repeated numbers are not allowed, the number of possible combinations is given by 40 * 39 * 38 = 59280.


If using the numbers 1 through 9 how many different 3 digit combinations can be made?

If you allow digits to be repeated (for example, 222 or 992), then there are 9 x 9 x 9 = 729 combinations. If you do not allow digits to be repeated, then there are 9 x 8 x 7 = 504 combinations.


What are the Possible combinations of numbers 0 through 9 if any numbers can be repeated in the combination?

How many numbers per combination?


How many number combinations are there in 0-9999?

9999


What are the possible combinations of the digits 0 through 9 if number may be repeated in the sequence?

Infinite. If numbers can be repeated, the list could go on nonstop.


What is the number of possible 9 digit social security numbers if the digits can't be repeated?

9x8x7x6x5x4x3x2x1 or 9! which equals 362880 possible combinations if no digits are repeated


How many different 4 digit combinations are there for numbers 1 2 3 4 5 and last numbers are 4 5 no restrictions numbers can be repeated?

9


What combinations can you make with numbers 1 4 7 2 5 8 0?

Assuming the digits cannot be repeated, there are 7 combinations with 1 digit, 21 combinations with 2 digits, 35 combinations with 3 digits, 35 combinations with 4 digits, 21 combinations with 5 digits, 7 combinations with 6 digits and 1 combinations with 7 digits. That makes a total of 2^7 - 1 = 127: too many for me to list. If digits can be repeated, there are infinitely many combinations.


How many possible 4 number combinations can you get using numbers 0-9?

0000-9999 (10x10x10x10 or 104) = 10,000 possible combinations allowing for repeated digits. If you are not able to repeat digits then it's 10 x 9 x 8 x 7 or 5,040 possible combinations without repeated digits.