The best and most correct answer among the choices provided by your question is the fourth choice or letter D.
The expression <span>_2.7 + (_16.4) would still be equal to </span><span>_2.7 _ 16.4 since the product of a positive and negative integer is also a negative number.</span>
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What I did was,I counted by tens on my fingers until I got to 60 and I added 7 to that and I rounded It to the nearest whole percent which was 70 because,It was closest to 67.
