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 :

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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