hmmmmmm c or a will be it hopes this helps but you must of did that a long time a go so you dont need help ??? :(
Answer:
4
Step-by-step explanation:
10^3 is 1000
So we have 2.5 x 1000 which is 2500
10^2 is 100
So we have 3.5 x 100 which is 350
Now we add 2500+350 and the answer is 2,850
