What is the necessity for standard unit of measurement?

What is 49 over 4 as a mixed number? Who was e named after? What is 1 over 6 of 45? How many liters of water in 16x32 pool 4 ft deep? If both napped of a right circular cone are intersected by a plane that does not pass through the vertex of the cone what is the resulting curve? What are two positive outcomes generally associated with modern Computing or greater? What is the circumference of a .44 cm circle? What are 3 consecutive integers whose sum is 57? What are the main events in the Gospel of Mark? What is the average of 95 88 186? How do you say 100000000000000 in words? What is 6-25-2005 in roman numerals? How do you know if you need to regroup? How do you convert 15mm to inch? How old will someone born in 1963 be now? What if anything do the numbers 12 97 24 99 and 1 29 7 24 99 mean and do they have anything in common? Is 350 a rational number? What are anastomosis? What is Diligence and patience? What is the median of 8 6 7 12 13?