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Is a number that has a line over it rational?
The line is usually taken to mean that the decimals under the line repeat. And yes, such a number is rational, since it can be converted into a fraction (with whole numerator and denominator).
What does a line over a whole number mean?
A line over a whole number means that number repeats for an infinite number of times.
What is the name of a line that divides a fraction?
The line separating the numerator and denominator when displayed as one number over another is called Vinculum, or sometimes referred to as the fraction bar. If the line is a slanting line (such as in "9/10"), it's referred to as the solidus.
How do you Change 11 over 20 in to a decimal number?
To convert a fraction to a decimal you need to divide the numerator (the number above the line) by the denominator (the number below the line). 11/20 = 0.55
What does a straight line over a number mean?
if used in a decimal it means that the number it is over is repeating ex) 27.33333333333333 instead you could write 27.3 with a line over the 3
