Question

Which expression is equivalent to −2.6+(−2.9)+(−7.1) ?

a) −(2.6−2.9)+(−7.1)

b) (2.6+2.9)+(−7.1)

c) −2.6+(2.9+7.1)

d) −(2.6+2.9+7.1)

Answer 1

D

Explanation:

Since each term has a negative, the expression has moved it to the front as multiplication of -1 to each term and grouped it with parenthesis.