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How many 2-digit numbers have the digit 7 only once?
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1 vote
How many 2-digit numbers have the digit 7 only once?

User Atermenji
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1 Answer

3 votes

Answer:

17, 27, 37, 47, 57, 67, 87, 97, so 8 of them

Explanation:

those are all the 2 digit numbers with only one seven in them

hope this answers your question

User Parth Manaktala
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5.1k points
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