Question

How do you round to the greatest place value

Answer 1

Example: round 24,356 the greatest place value.
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Example-2: round 8,636 to the greatest place value.

Look to the right of the number in the thousands 
place. It's a 6, so round up.

8,636 is rounded to 9,000 because the highest place 
value of that number is in the thousands place.

Answer 2

Pretend if you had 8,999 you would round up to you would do 9,000