Answer: Option 4 i think. But i m still having confusions between option 4 and 2.
Mikas is correct because 12.2 x 16 is 195.2, which estimated is 195, and then 8.5 x 36 is 306, which is close enough to the answer. I hope I helped.:)
Is number2 Extend I think
Answer:
The answer to your problem is -10