How many three digit numbers can be formed using 2,7,1 only once? List them in the ascending order.
Part 1: There are six(6) three digit number can be formed by using 2,7 and 1.
Part 2: Ascending order arrangements of numbers
127,172,217,271,712,721
Write all possible 3-digit numbers using 8,7,0(only once) and arrange them in ascending and descending orders.