-7510 is the smallest.
The smallest four digit number is 1000. It is even so 1001 is the smallest four digit number that is odd.
12346
100,600
0258 In general, the smallest number is created by taking the smallest number in the given set of numbers and placing it in the leftmost digit place. Then take the next smallest number in the set and put it one digit to the right of the first. Repeat until you have the number of digits you are looking for.
4579 is the smallest even number he can make
The smallest four digit number is 1000. It is even so 1001 is the smallest four digit number that is odd.
.0123
It is already a four-digit number.
1000
100012
19
12346
1243
00000 or 00001
From left to right, pick the smallest possible digit every time. This will give you the smallest possible number.
100,600
0258 In general, the smallest number is created by taking the smallest number in the given set of numbers and placing it in the leftmost digit place. Then take the next smallest number in the set and put it one digit to the right of the first. Repeat until you have the number of digits you are looking for.