Is 0.31243576 rational

What is the LMC of 70 and 40? What is the trajectory of a projectile defined by? If a line divides an angle into two equal angles then it is a bisector of the angle? How many times larger you 26000 then 26? Why does February have 28 or 29 days? How much did a dozen eggs cost in 1953? What is 5183 grams in milligrams? What did aryabhata the mathematician discover? What is XMMII in roman numeral? How can you use properties of exponents to simplify products and quotients of radicals? How do you import grow rooms in highgrow 4.20? Is 2 over 3 a natural number? Smallest number of corners of all of the shapes? How was hippias a different ruler than his father pysistritus? Kilogram measures what? Is 80MB smaller than 4GB? How many hours does it take to travel 720 miles at 65 mph? What is the name of the dividing line between two drainage basions? What is prime or composite? What is the unit rate of 435 pages in 3 days?