Answer:
B
Step-by-step explanation:
first you could round 78.8 to 80 and 6.8 to 7, and to make 80x7 easier you can do 8x7 which is 56 and when you add a 0 it’s 560 so B is correct
qwrgn n n . bngbvvvbbbbbgbvbbvgbgbbbb
