How many 2 digit numbers can be formed using 9,2,6,4,8,5,7 without repetition

asked Jul 4, 2020 87.0k views

4 votes

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4 votes

There are 7 numbers.

Each number can be paired with the remaining 6 numbers.

7 x 6 = 42 different two digit numbers can be made.

Erik Garrison answered Jul 10, 2020

5.6k points

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