Answer:
6 miles
Explanation:
We are told that mark ran 9.654 kilometers.
We want to find out the distance in miles.
Now, to convert from kilometres to mile, we know that;
1.609 kilometers = 1 mile
Thus;
9.654 kilometers = (9.654 × 1)/1.609 miles = 6 miles
So, the number of miles he will post online is 6 miles