Question
Estimate the sum $(4505 + 27807 + 21397)$ to the nearest thousand.
✓
Answer
$4505 + 27807 + 21397 = 53709$
In $53709$ the last three digits i.e., $709$ is greater than $500.$
Hence, $1$ will be added to the $4$th last digit and the last three digits will become zero.
After rounding to nearest thousand we will get $54000.$
In $53709$ the last three digits i.e., $709$ is greater than $500.$
Hence, $1$ will be added to the $4$th last digit and the last three digits will become zero.
After rounding to nearest thousand we will get $54000.$
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