Answer:
Fail :b
Step-by-step explanation:
Here's a photo of the diagram
The best way to estimate it is to do "written addition" in your head, adding 1+8, then 9+3, all the way until you get to the front. the actual answer is 189,459, so your answer should be somewhere close to that.
Answer:
-15
Step-by-step explanation:
the new temperature since it went down
-12-3= -15