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Which expression is the best estimate of 1.25 + (-2.69)?

A1+(-3)
C 2 + (-3)
B 1 + (-2)
D 2 + (-2)
Sue chose B as the correct answer. How did she get
that answer

Respuesta :

AlgebraicAardvark

Sue rounded both numbers to the nearest whole number.  

1.25 to 1, since 1.25 is closer to 1 than it is to 2.

-2.69 round to -3, since it is closer to -3 than it is to -2.

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