What is the fullform of AITT?

What is apothecaries' weight equal to 20 grains? What is the sort code for the Natwest Bank in Carnforth? What is the volume of 3 blocks wide 2 blocks long 2 block high? How do you write 2 thirds as a fraction? Is the square root of -5 rational or irrational? How can you use the initial value theorem to solve for the initial slope of a function? How many thousandths are there in 15.9? What is the LCM of 8 and 32? Which step can be used to write the fraction 16 out of 24 in simplest form? How do you write 6.178 in word form? What is 25 over 18 in simplified form? What is the synonym for various? How do get a quotient of 0.0208 from 2 3 46? What is the largest acute angle which is a whole number possible? What is 5 l p w t m? What number comes just after 500? I'm 15 and I got an IQ of 156 is that good? How many faces edges vertices do all shapes have? What is acceptable data? How many times can 6 go into 89?