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
Get it