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Simplify: 3889+12.952−47.95
3853.892
3853.982
3854.002
3854.012
3854.002
Add the whole numbers and decimals separately, aligning the decimal points carefully to avoid subtraction errors.
Expression to simplify: 3889+12.952−47.95
Result=(3889+12.952)−47.95
Add the whole numbers and decimals separately, aligning the decimal points carefully to avoid subtraction errors.
Aligning decimal places incorrectly during subtraction, such as treating 47.95 as 47.950 or misaligning the tenths and hundredths columns.
Step 1: Addition of positive numbers
First, add 3889 and 12.952 together by aligning the decimal point of 3889.000 with 12.952.
3889+12.952=3901.952
Step 2: Subtraction of the negative number
Next, subtract 47.95 from the sum obtained in Step 1 (3901.952). Aligning decimals: 3901.952−47.950.
3901.952−47.950=3854.002
C is correct because simplifying 3889+12.952−47.95 yields 3854.002.
Proper decimal alignment is essential in data interpretation, DI sets, and physics numerical calculations involving decimals.
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