5040 numbers can be made.
772
-4790281
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
There are 600 of them.
199998
There are eighteen of them.
99997
943
772
-4790281
99997
It is 963.
4
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
There are 600 of them.
There are 2000 such numbers.
Only four numbers:20233032