679 or .679 or, -679, -.679
Perhaps, but if by a is smaller then b you mean a < b, then you want to make a very negative number. If you are asked to use the four digits 9, 7, 6 and 9 each once, use
-6^(7^(9^9))
which is just the negative of 6 to the power 7 to the 9 to the power p.
it would be 0000.01
16.9
100122 or, if negative numbers are permitted, -998877
1111
1111
it would be 0000.01
16.9
100122 or, if negative numbers are permitted, -998877
1111
19
1111
01489
Since there are only five different digits, a 6-digit number can only be generated if a digit can be repeated. If digits can be repeated, the smallest 6-digit number is 111111.
It is -987654. The smallest POSITIVE number is 102345.
1023
0.12369
From left to right, pick the smallest possible digit every time. This will give you the smallest possible number.