Select the proper rearrangement and placement for parentheses to speed up the addition for the expression 2 + 9 + 8 + 1 A. (8 + 2) + (9 + 1) B. (1 + 2) + (9 + 8) C. (9 + 2) + (8 + 1) D. (8 + 9) + (2 + 1)

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The proper rearrangement and placement for parentheses to speed up the addition for the expression 2 + 9 + 8 + 1 is (8 + 2) + (9 + 1).

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Asked 2/12/2019 12:24:56 PM

Updated 10/3/2020 7:10:20 AM

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emdjay23

The proper rearrangement and placement for parentheses to speed up the addition for the expression 2 + 9 + 8 + 1 is (8 + 2) + (9 + 1).

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