The magnitude of a length of a football field

The width of the ratio sizes is 10 and the diameter of a standard  the length of a football field is 9 inches and last the length of the standard football pitch is 100 yards.  

Explanation: The length of a football field is the same order of magnitude as its width, since the ratio of the sizes is less than 10 . The diameter of a standard (soccer) football is about 9 inches and the length of a standard football pitch is 100 yards

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