Order the following numbers from least to greatest And tysm for the people who help me!!

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Im literally having a mental breakdown

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.