A line over a whole number means that number repeats for an infinite number of times.
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
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).
The line over a fraction number means division. For example 2/4. 4 divided by 2 is 2. Add to the the numerator and you get 4/4. 4/4 is equal to one whole.
9/10
It means recurring, so rather than writing out an endless line of 3s, 3.333333333333 etc they would write the 3.333 with the last 3 having a line over it.
The symbol "X" with a line over it is often used in mathematics to represent the average or arithmetic mean of a set of values. It is calculated by adding up all the values and dividing by the number of values in the set.
It is an indication that the string of digits under the horizontal line repeats for ever.
A line over a whole number means that number repeats for an infinite number of times.
Dilation! :)
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
I believe it means infinity.
Actually, the over is used in fractions. Five over ten means the five is on top of ten with the line in the middle.
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).
The marks you're describing represent the number 1 in a prescription. The horizontal line and dot are to help prevent reading errors.
If the 5 and the number are seperated by a line its a fraction. But if its just on top of it to the right then its an exponet.
The line over a fraction number means division. For example 2/4. 4 divided by 2 is 2. Add to the the numerator and you get 4/4. 4/4 is equal to one whole.