How many 4 digit codes can we make provided that
-the codes contain of numbers only
-codes may not equal to 4000
-codes may not be less than 4000
-numbers may be repeated
-codes have to be even numbers??????
-the codes contain of numbers only
-codes may not equal to 4000
-codes may not be less than 4000
-numbers may be repeated
-codes have to be even numbers??????
0 answers
0 answers
2 answers
1 answer