How many hours between 530am to 830pm?

How do you round 8.79 by the nearest tenth? What is 28.50 percent of 40.76 percent? How is sample is termed if it has similar characteristics to the population being studied.? What is one eighteenth as a percentage? What is the composite number of 48? What are 4 integers whose product is less than zero and whose sum is -18? How much of an acre is 41386 square feet? What climatic zone is located between latitudes 30 and deg North and 30 and deg South? What is a whole number divided by 0? How would you write out the to the fourth power? What fraction is smaller than 1-4? Why is it important to get an average in maths? What does the word deka mean? What is the LCM of 8 12 52? How many possable outcomes of tossing one coin 3 times have exactly 2 heads? Total surface area of rectangular solid? How many whole numbers less than 50 are divisible by 5 or 7 but not both? How do you prove Cayley's theorem which states that every group is isomorphic to a permutation group? What did the big kite tell the little kite to do? How do you write 668.2098 in word form?

How many hours between 530am to 830pm?