Can you simplify 20 over 81?

What are all the prime numbers from 1-1000000? What is the 32 times table? How many times does 13 go into 106? How do you calculate interim dividend? How much time does it take for a bird flying at a speed of kilometers per hour to travel a distance of 1800 kilometers? How do you calculate how much tar paper on a roof? What is the total surface area of a half sphere with a radius of 10? How many comopsite numbers are there from -5 to 11? What is its use of metodine? How many kilos should a 15 year old weigh? What is the 3 units to the right of 5 in number lines? How many months in 0.57 years? How do you dropout at 16? Ture or false is An equilateral triangle a special case of an isosceles triangle? What is the probability as a fraction that a point chosen at random within a circle of radius 10 cm will be inside a concentric circle of radius 4 cm? What is 54.5 percent as a decimal? Define square based pyramid? How fast is 400 revs per minute in miles per hour? How many years are in 8 billion minutes? What are two equivalent fractions for 2 16?