What is 1,304,000,000 in scientific notation? ?

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

On a architect's drawing of a house, 1 inche representa 1.5

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet