First of all, why ask this here? It would take longer than just doing it yourself.
Dimensional analysis:
3 miles x 5280 ft/1mile x 12 in/1 ft = 190080 inches.
Three miles is 190,080 inches.
0.3 miles
190,080 inches
0.3 miles
3 miles 10 inches = 15,840.83 feet.
Three inches is 0.000047348 mile.
None.
There are 63360 inches in a mile. 3.5/63360 = .0000552 miles.
Rounded to three significant figures, 5 feet 9 inches is equal to 0.00109 miles.
There are 12372480 inches in 2348 miles.
101,376 inches are in 1.6 miles.
30 miles = 1,900,800 inches.