9
10x9x9x9
If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.
9
9 of them.
How many numbers per combination?
Ontario have 9 major cities.
Furstins can have up to 9 cities.
104 or 10000
There are 210 4 digit combinations and 5040 different 4 digit codes.
I would not like a list all possible 4 digit combination using 0-9.
9
10x9x9x9
as we have 10 digits (0-9), each place has 10 possible values. and there are two such places; so, 102 = 10*10 = 100. 100 combinations.
I would have to say 10,000 possible combinations. (0000, 0001, 0002 through 9998, 9999)
If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.If they are integers, then the possible answers are {1, 6, 8} and {2, 4, 9}.If not, there are infinitely many possible solutions.
9