What is the origin of binary?

How do 8 eights make 1000? Is 32.50 close to 50? What is the prime factorization of 11112? What is the greatest common multiple for the numbers 1-100? What is 10 percent of 217? How do you abbreviate the word order special? What is 9 and 10 in roman numerals? What decimal is the same as half a kilogram? What is a shape called with 7 sides with out equal sides? What is 25 hours passed 9 am? If you have a 6 gallon jug and a 2 gallon jug how do you get 7 gallons only using both jugs mentioned? What are the four forces that shape development? Synonm to forty-five record? What kind of graph is used to compare different kinds of scientific data? How do you write 91 in roman numerals? What are the points of contact that the line of 2x plus y equals 5 makes with the curve of x squared -y squared equals 3 showing work? How to write 7 million 3 thousnd 5hundred 7 in numbers? How many grams does a 5 kilogram bag of flour weigh? What is the sum of 10 to the negative first power? What is cartesian coordinate plane system?