Homework Help Forum: math

Posted by Katherine on Friday, November 6, 2009 at 4:55pm.

start with 1, multiply by 2. then multiply the result by 3.then continue to alternate multiplying by 2 and by 3.what is the ones digit after the twelfth multiplication

• math - bobpursley, Friday, November 6, 2009 at 5:00pm

  2 6 12 36 72 216 see the pattern? it is either 2 or 6. The even number of multiplications are 6

  
  

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