The average discharge at the mouth of the Amazon River is 4,700,000 cubic feet per second. How much water is discharged from the Amazon River in one hour? i one year? ft3 of water is discharged in one hour. (Round to the nearest thousandth as needed. Use scientific notation. Use the multiplication symbol in the math palette as needed.) f3 of water is discharged in one year, assuming it is not a leap year. (Round to the nearest thousandth as needed. Use scientific notation. Use the multiplication symbol in the math palette as needed.)