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You round the fraction up and find the value in that position.
your dumb if you don't know how to round decimals on a number line
you probably already know that is it rounded to 13, but you do that because...the rules to rounding are, you round down if the number is .4 or lower, and you round up if the number is .5 or higher.
The decimal number system is positional in nature. To know what a given digit means, you have to know where it is with respect to the decimal point. The number zero can be used to indicate that a given position is vacant. This is necessary in order to know what the other digits are positioned. For example, the number 10. That means ten. If we wrote it as 1 . the number would still be in that position, but it would be hard to see the position. Putting in a zero makes it clear.
Who know maybe round and round by Selena gomez I don't know