Answer:




Explanation:
Given



Required
Round up to highest place value

Highest place value here is thousand.
So:
, when approximated

Highest place value here is ten thousand.
So:
, when approximated
Highest place value here is ten thousand.
So:
when approximated
Highest place value here is ten thousand.
So:
when approximated

Highest place value here is ten thousand.
So:
when approximated