I would have guessed 0000, but you might be on to something.
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The smallest 5-digit number is 10000. To get the smallest 5-digit number, we put a 1 in the first column (since we can't start with a 0 or else we'd get a 4 digit number!), then put a 0 in every other column.
The smallest 5-digit number is 10000. To get the smallest 5-digit number, we put a 1 in the first column (since we can't start with a 0 or else we'd get a 4 digit number!), then put a 0 in every other column.
1002 = 10000 which is the smallest possible 5 digit number. So we have to go 1 smaller which is 992 = 9801
No. It is not true to say 4000 is the smallest 4 digit number.
smallest 4-digit number divisible by 2 = 1000