There are 30,240 different 5-digit numbers.
Math: 10*9*8*7*6
1st digit has 10 possible choices (0-9)
2nd digit has 9 possible choices (one of the digits was used in the 1st digit)
3rd digit has 8 possible choices
4th digit has 7 possible choices
5th digit has 6 possible choices
Chat with our AI personalities
There are 5460 five digit numbers with a digit sum of 22.
There are 60480 numbers.
To find the even two-digit numbers where the sum of the digits is 5, we need to consider the possible combinations of digits. The digits that sum up to 5 are (1,4) and (2,3). For the numbers to be even, the units digit must be 4, so the possible numbers are 14 and 34. Therefore, there are 2 even two-digit numbers where the sum of the digits is 5.
There are 5760 such numbers.
36 of them.