What is the smallest 7 digit number having 3 different digits? Explain how?
1000002
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Answer:
1000002
Step-by-step explanation:
because we can't start seven digit number with zero it starts with 1 then we repeat zeo 5 times because it's smallest then last 2 is 2 because we can't repeat 1 in question given three different digits which is 1 ,0 and 2
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