Question

Estimate to mark points 0 and 1 above the number line and 0/6 1/6 2/6 3/6 4/6 5/6 and 6/6 below it .

Answer 1

Answer:

If the digit at tens place is less than 5, replace each one of tens and ones digits by 0 and keep the other digits as the same.

If the tens digit is 5 or more than 5, increase the hundreds digit by 1 and replace each of tens and ones digit by 0

6388 to the nearest hundred is 6400.