Answer:
40,000,000,000,000
Step-by-step explanation:
Because 100 times 100 is 10,000 times 100 is 1 million 1,000,000 times 100 is 100,000,000 times 100 is 10,000,000,000 times 4000 is 40,000,000,000,000
2/3 of the track
5/7 • 4/5 is 2/3 so Sarah ran 2/3 around the track.
105
i have explained through pictures