Answer:
Step-by-step explanation:
I HAVE NO IDEA...SRRY
Answer:
4,000,000,000 meters
Step-by-step explanation:
4 x 10,000,000,000,000 x 0.0001 = 4,000,000,000 meters

get their LCD, like you'd with any other fractions, and add them up
I believe the answer should be 77