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Who invented scientific notation?
Rene Descartes in 1637. Archimedes created a similar system. <Original Answer> Archimedes. his exponential counting system created to help him calculate the amount of sand needed to fill the universe [in the Sand Reckoner]
How many grains of sand in a pound?
In your sand sample, what is the average weight of a grain?
How much area would a trillion grains of sand fill?
The area that a trillion grains of sand would fill depends on the size of the grains. On average, a grain of sand is about 0.5 millimeters in diameter. If we assume a density of about 1.6 grams per cubic centimeter for sand, a trillion grains would occupy approximately 0.5 cubic meters, which could cover an area of around 10 square meters to a depth of about 5 centimeters. However, this is a rough estimate and the actual area can vary based on grain size and packing density.
How much sand is required to construct 100 square feet?
The answer really requires a cubic measure - the volume - of the construction. 100 square feet can be covered to a depth of only a grain of sand or several inches (or more) of sand and, obviously, the quantity of sand required will vary accordingly.
How much sand do you need to fill a circle with a 19 foot diameter and 14 inches high?
330.78 ft3
