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22-07-2022
Mathematics

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How many three-digit numbers use only the digits 0,1 and 5

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nicoIas nicoIas

22-07-2022

Answer:

18

Step-by-step explanation:

3*3*3 = 27, assuming all 3 digits can occupy each space

However, 0 cannot start a number, so it becomes:

3*3*2, which is 18.

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