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2015-09-15T14:30:03+08:00

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678=700 Why.
Here=678
         678 - unit
         678 -ten
         678 -hundred
If the number in the right side of the number that you will gonna round off
is 5,6,7,8,9.You'll just going to add 1 to your number and all of the right side will be 0 all.
Ex: 678 round to the nearest hundred
 Answer:700

If the number in the right side of the number that you wil gonna round off
is 0,1,2,3,4.You'll just copy the number that you'll going to round off and all of the right side will be 0 all too.
Ex: 648 Round to the nearest hundred
Answer:600

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