Each of the followed paired numbers have a relationship that's the same for all of the paired numbers. What is the missing number?

{4, 100} {7, 111} {8, 1000} {1, 1} {12, 1100} {2, ?}

• 10....each number is correspondence to its binary number
  
• 10 years agoHelpfull: Yes(2) No(0)
• (2^2, 10^2) = {4, 100}
  (2^3, 10^3) = {8, 1000}
  (2^0, 10^0) = {1, 1}
  (2^1, 10^1) = {2, 10}
  Therefore, missing term is equal to "10"
• 3 years agoHelpfull: Yes(0) No(0)
• binary of 4 - 100
  7-111
  8-1000
  2=010
• 3 years agoHelpfull: Yes(0) No(0)