volume_mute
Choose the Right Rounding Precision
publish date: 2026/05/08 23:24:32.448222 UTC
volume_mute
You need to estimate the result of:
\[-5{,}684 + (-2{,}270) + 3{,}404 + 2{,}689\]
The problem asks you to round to the nearest hundred. Which rounding of \(-5{,}684\) is correct?
Correct Answer
\(-5{,}700\)
Explanation
To round \(-5{,}684\) to the nearest hundred, look at the tens digit: 8 ≥ 5, so round up in magnitude → \(-5{,}700\). Rounding to the nearest ten would give \(-5{,}680\); to the nearest thousand would give \(-6{,}000\).
Reference
Mathematics for college students