How many zero are in billon?

Do observations deal with a number or an amount? Why getting dizzy looking side to side? What is the difference between the shape of a side view of a triangular prism and a top view of a triangular prism? What is the ratio of 1kwh to1mev? Are rectangles and squares groups of the polygons? How many numbers are there between 1 and 9? How many faces does a 3-D hexagonal prism have? What is a factor number of 98? What Capital letters have radial symmetry? 25% of what number is 13? How many perpendicular lines dose a scalene triangle have? What happens if there is an even number of factors when you try and get the median? What is the golden triangle? How do you write 25920000000 in scientific notation? Is 800 cm greater than 8m? How do you measure the exterior angle of a regular octagon? What is 5 converted to tenths? It is better to use the Pythagorean Theorem when you are trying to find the hypotenuse of a right triangle given the other side lengths? How do Business contributes to society in many different ways such as? The probability of the contractor failing to meet the requirements of the potential contract and rdquo is considered to be what type of risk?