Answer:
The answer is C did the assignment on edge.
Step-by-step explanation:
Where did you get that A and B? I could answer if you were much more precise.
The answer is C.
Steps:
(6.77 x 10^4) - (5.21 x 10^3)
(6.77 x 10^4) - (.521 x 10^4)
6.77 - .521 = 6.249
(6.249 x 10^4)
Hope this helps
