aminaaabbbas123
aminaaabbbas123 aminaaabbbas123
  • 04-03-2015
  • Mathematics
contestada

how can you tell if 78 is divisible by 2 3 OR 6

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sarabrown sarabrown
  • 04-03-2015
if its an even number its divisible by 2 if you add the answer (7+8) and it equals a number (7+8=15) divisible by 3 then 78 is divisible by 3 and if it is divisible by both 2 and 3 then you know it is divisible by 6 but you have to be able to divide the number by BOTH 2 AND 3
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