What does kilo hours mean?

What is the volume of a cylinder with a diameter of 13 yards and height of 12 yards? What is 9999999 plus 999999? What does the term qua stand for? If an average cloud has a density of 0.5gm3 and has a volume of 1000000000 m3 what is the weight of an average cloud? What is 116 divided by 96? How many times is one million larger than one thousand? What number is halfway between 27 and 47? Are 3d shapes plane shapes? What does it mean to subtract Less than nothing from something? How we explain varignon's theorem and prove them? Would a positive multiplied by a negative be a positive? How could you find the measuements of the frame with a 16 inch perimeter and the greatest possible area? What line of latitude is a great circle? How do you multiply 9ft 6in by 8ft 10in? What is equivalent to 0.4 percent? What is the only single digit perfect number? 100 mm water column pressure is equal to how many bar? When converting into scientific notation moving the decimal point to the left means the exponent on the 10 should be positive. For example 3078.1 becomes 3.0781 103? How many sides does a quadrilatiral have? What is the area of Scheemda?