Respuesta :

-7.14 it the answer booooooooooooooohhhhhhh

Answer:

7.14

Step-by-step explanation:

Although there's more than one way in which to approach this problem, the best way is to perform the addition inside parentheses first:

- 4.2(-2.8+4.5) = -4.2(1.7) = 7.14