A constant does not change its value over time. A variable, on the other hand, changes its value dependent on the equation. Constants are usually written in numbers. Variables are specially written in letters or symbols. Constants usually represent the known values in an equation, expression or in line of programming.
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Answer:
A constant does not change its value over time. A variable, on the other hand, changes its value dependent on the equation. Constants are usually written in numbers. Variables are specially written in letters or symbols. Constants usually represent the known values in an equation, expression or in line of programming.