How many positive integers less than 25 can be formed by using the digits 1, 2, and 3?

there are 9 numbers that are positive integers that can be formed by the #s 1,2,&3 THAT R LESS THAN 25
1
2 3
11 12 13 21 22 23

Answered by markopolo | 2024-06-10

There are 3 positive integers less than 25 that can be formed with 1 digit and 9 positive integers with 2 digits, leading to a total of 12 integers. The integers are made from the digits 1, 2, and 3. Therefore, the final answer is 12.
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Answered by Anonymous | 2024-12-24