Answer:
ok what u need?
Step-by-step explanation:
Here it is in order (2nd to 6th):
1/ab, 1/a^3, b/a^5, b^2/a^7, b^3/a^9
Hope this helps!
Time taken is equal to distance divided by speed
So time is 50/5 = 10 seconds
I think it is the first one could be wrong tho
