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How many different three-letter sets of initials are possible using the letters A through G?

SmartMathMan  Jan 16, 2018
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Assuming  that letters can be repeated......we have 7 letters to hose from in each case....so.....

 

7  * 7  * 7   =   343  possibilities

 

 

cool cool cool

CPhill  Jan 16, 2018

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