Which is the least 4 digit number formed by the digits 0,1,2,3

Answers (1)

The given numbers are 0,1,2,3

The ascending order of the given number is

0 < 1 < 2 < 3

Since we need a 4-digit number so it cannot start with 0. Hence we can place 0 in the second position.

Other than zero the smallest digit is 1 so we begin with 1.

Thus the smallest 4 – digit number formed is = 1038

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