We have 56 cents + 0.479 cents
so the 'cut off' point is the red part
We look at the first digit only that is immediately to the right of the cut off point. In this case it is the four
This is the rule:
If this digit is less than 5 we do not change the red part.
If the digit is 5 or more we increase the red part by 1.
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Making up a value I choose
As the
Making up a another value I choose
As the
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The
is less than 5 so we do not change the red part.
Answer