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How many 4-digit numbers can be formed using only the digits 9, 8 and 7? :p

How many 4-digit numbers can be formed using only the digits 9, 8 and 7? :p
asked 17.4k views
4 votes
How many 4-digit numbers can be formed using only the digits 9, 8 and 7? :p

asked
User Shalom Peles
by
7.6k points

1 Answer

3 votes

Answer: 81

Explanation:

First digit and Second digit and Third digit and Fourth digit

3 choices x 3 choices x 3 choices x 3 choices = 81

answered
User BRAHIM Kamel
by
8.0k points
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