What is 800000 40000000000?

How do you compute square roots mentally? What is 2.50 percent as a fraction? Who invented commas? I need my routing number and account number? How many feet is a 155 inches by 155 inches room? When do you use integers in science? What is the value of an US quarter with no date? How wide is the 21 ft boat? What measurements were used in ancient times? What is 5 plus 4 - 4 equals 9 plus m? What passes through a triangle through the midpoint of side ofa triangle and is perpendicular to that side of the triangle? Which o these is the most widely used statistical report for comparing economic trends? What is given by the formula you equals prt? Is the word scarlet ribbon a compound? What is a Fibonacci gauge? What is the belt pattern for a 350? What property of surface area and solubility? Red plus Orange give you what colour? What are sequence connectives? Why is the pythagorean theorem such a big deal?