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Three people selected a number. They could choose either 1 or 2. Their results were combined to give a 3-digit number. (For example, if they all chose 1, the 3-digit number was 111.) How many different
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Three people selected a number. They could choose either 1 or 2. Their results were combined to give a 3-digit number. (For example, if they all chose 1, the 3-digit number was 111.) How many different 3-digit numbers were possible? a.3 b.8 c.4​

User Celenia
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4 votes
I believe b. 8 is the right answer
111
112
122
121
211
212
222
221
User Akila Sachitra
by
5.2k points
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