The classic way to convey the error that exists in a measurement is a formula that shows the obtained measurement (X) as a sum of a true score plus some error. One version of this formula is: X = T + e. With this formula in mind, obtaining more precise measures depends on reducing error.
  Mega is the prefix meaning one million, therefore there are one million (1,000,000) gallons in a mega gallon.
Gallons to tablespoons volume units conversion factors are listed below. To find out how many tablespoons in gallons, simply use the converter below. 1 Gallon [Fluid] = 256 Tablespoons [Fluid US or UK] 1 Gallon [Dry] = 297.893681 Tablespoons [Dry] Gallon is an imperial and U.S. customary unit.