Respuesta :

The answer is 4. (-4)(7) = -28

1. (-1)(-1) = 1

2. (-2)(-10) = 20

3. (4)(9) = 36

Answer:

The answer is 4. (-4)(7) = -28

1. (-1)(-1) = 1

2. (-2)(-10) = 20

3. (4)(9) = 36

Step-by-step explanation: