Answer:
It will take to Mike 10 days to ride 2x10⁴ meters.
Explanation:
We have that Mike rides the bike 2x10³ meters every day, so the distance (D) is:
(1)
To find the number of days that will take Mike to ride a distance of 2x10⁴ meters, we need to find "t" in the following reaction:

Therefore, it will take to Mike 10 days to ride 2x10⁴ meters.
I hope it helps you!