Short Answer

Identifying Calculator Square Root Results

An industrial designer uses a calculator to find the side length of a square vent with an area of 11 square inches. The calculator displays 3.31662479. When the designer squares this value to check its accuracy, the result is 10.99999999 rather than exactly 11. What is the specific mathematical term used to describe the result 3.31662479 in this scenario?

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Updated 2026-04-15

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