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# To talk about how many different numbers can be combined using 1, 2, 3.

Asked by: Aaron Scott 214 views IT

To talk about how many different numbers can be combined using 1, 2, 3.

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1Answers
# To talk about how many different numbers can be combined using 1, 2, 3.

Asked by: Aaron Scott 214 views IT

To talk about how many different numbers can be combined using 1, 2, 3.

+8

Votes1, 2, 3 These three characters can be combined into three different numbers: 1, 2, 3.

cannot be repeated, it can be combined into three different digits: 1, 2, 3;

6 different twoNumber of digits: 12, 13, 21, 23, 31, 32;

6 different three digits: 123, 132, 213, 231, 312, 321;

can be repeated, it can be combined into three different digits: 1, 2, 3;

9 different two digits: 11, 12, 1321, 22, 23, 31, 32, 33;

27 different three digits: 111, 112, 113, 121, 122, 123, 131, 132, …

81 different four digits: 1111, …

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Karen Scott- July 19, 2021 |