Question

please answer the question ​

Answer 1

Answer:

15.

-520

Step-by-step explanation:

15.

52 x (-8) + (-52) x 2

(-416) + (-104)

-416 - 104 = -520

16.

(-9) + 0 = 0+(-9)

- 9 + 0 = 0 - 9

-9 = -9

Answer 2

Answer:15.520

Step-by-step explanation:

52*(-8)+(-52)*2

-416+104

520

16.(-9)+0=0+(-9)

-9+0=0-9

-9

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