Answer:
3.124 kilometers
Step-by-step explanation:
There are 32,760 different orders for the first four positions.
This is a permutation where repetition is not allowed; the formula for that is:

For our problem, we have:
Answer:
+
4
Step-by-step explanation:
Answer:
-5.02
Step-by-step explanation:
the result becomes negative because 7.273 is less than 12.37
1day=24 hours
10 days=240hours
60mins=1hr
30mins=1/2hr
total is 240hr+21hr+0.5hr=261.5hr
total is 261.5hr