Question

write the predecessor of the smallest 4-digit number and the smallest 2-digit number?​

Answer 1

Answer:

Predecessor of smallest 4 digit number = 999

Predecessor of smallest 2 digit number =9

Answer 2

Answer:

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Step-by-step explanation:

Ifyou assume strictly positive decimal integers, with no leading zeroes, then the smallest 4-digit number is 1000 and its predecessor is 999.

However, those assumptions are really not trivial. Some examples:

If we allow leading zeroes then you could suggest 0001 and its predecessor 0 (or 0000 and -1 if you allow 0 to be considered positive)

If we allow nondecimal bases then there's the unary 1111 (4) and its predecessor 111 (3)

If we allow negative numbers there's -9999 and its predecessor -10000

If we allow non-integers then you've got 0.001 or perhaps .0001 and … we'll need a better definition for "predecessor"

These assumption-breaks can also be combined for even more possible answers. For example, if