Answer:
-2m is the answer because with -5 adding +3 ( positives don't have to have a sign) it would be like 5-3 but then add the biggest sign which would be the negative sign in this case then you would get -2m. So -5m +3m = -2m.
last option
Step-by-step explanation:
3.9x3 -4.1x2+7.3
Do you have a picture of the diagram so I can see where the 300 and 10 are placed :D ?
