Anonym Anonym
  • 26-03-2015
  • Mathematics
Answered


Which expressions are equal to the expression –2.7 – 16.4?



Choose all answers that are correct.









A.

–2.7 – (–16.4)








B.

–16.4 + (–2.7)








C.

–16.4 – (–2.7)








D.

–2.7 + (–16.4)



Answer :

helen4 helen4
  • 26-03-2015
B and D are the same as your expression because adding a negative number is the same as taking away. whereas in A and C, taking away a negative is the same as adding, which you don't want
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