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How many 3-digit numbers can you write using only digits 1, 5, and 7 if you cannot use the same digit twice?
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6 votes
How many 3-digit numbers can you write using only digits 1, 5, and 7 if you cannot use the same digit twice?

User Ionel POP
by
5.2k points

1 Answer

6 votes

Answer:

6 numbers

Explanation:

157

517

751

571

715

175

User Acalypso
by
4.7k points
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