How many Japanese zeros were built?

Who created the number 1? What is the surface area of a cylinder with a radius of 5m and a height of 8m? What are small squares on a selected rectangle? How do you convert 10 m to centimeters? Which type of graph is best used to relate parts to a whole? 60.8 x 27.3 x 45.3? What is 234 270 in simplest form? What is the lowest common factor of 2 4 and 8? What does Garra mean? Six inches equals how many miles? What is a straight line or plane that touches a curve or curved surface at one point? Solve for x 39 - x equals 15? How many feet in one sequre feet? Why does the Cessna plane crash? What is a decimal that is between 0.6 and 0.62? Why 9 instead of 7 branches on the menorah? Why does paralysis affect the opposite side of body? 24x 24 tiles for 48 square foot area? How many faces does the solid have? How many mid segments does an isosceles trapezoid have?