Find the predecessor of the smallest 2 digit number.


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Answer:

9

Step by Step Explanation:
  1. The smallest 2 digit number is a 2 digit number with its most significant digit as 1 and the rest three digits as 0.
  2. Therefore, the smallest 2 digit number is 10.
  3. Thus, the predecessor of 10 = 10 − 1 = 9.

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