Answers

2016-07-07T10:54:23+08:00
copy this example

10.76=10.8

5-above add 1
4-below remove number

Ex.
5 up=
6.56  =  6.7
4-below=
8.72  =  8.7
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2016-07-07T10:55:39+08:00
Numbers 0,1,2,3,4 followed by the number your rounding, the number will still the same.
Ex: round to the nearest hundred
8,523 = 8,500 - since 5 is followed by 2.

numbers 5,6,7,8,9 followed by the number your rounding, you will add 1 amount to the number.
Ex: round to the nearest thousand.
13,863 = 14,000 - since 3 is followed by 8
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