Numbers that end in a digit of 4 or less should be rounded DOWN to the nearest ten.
Example: 24 rounded to the nearest ten would be 20
Numbers that end in a digit of 5 or more should be rounded UP to the nearest ten.
Example: 28 rounded to the nearest ten would be 30
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Estimate by rounding to the nearest ten.​ Then, find the sum.221122plus+33554455​_​_The estimated sum is nothing.
54+86
3
The best estimate for the sum of 4523 and 1234 can be found by rounding each number to the nearest hundred. Rounding 4523 to the nearest hundred gives 4500, and rounding 1234 to the nearest hundred gives 1200. Adding these rounded numbers gives an estimated sum of 5700. This estimate provides a quick approximation of the actual sum while simplifying the calculation.
The Answer will be lower the the actual sum