28.13 miles rounded to the nearest hundredth of a mile !
1.7
0.3
305.0
There is no such thing as a nearest significant figure. For sf (as with decimal places) it is necessary to specify how many. 0.00747 to 1 sf is 0.007, to 2 sf it is 0.0075, to 3 sf it is 0.00747, to 4 sf it is 0.007470 and so on.
359.0
25.4 mm = 1 inch. (1000 mm) / (25.4 mm/in) = 39.4 in (rounded to nearest tenth)
2.3
52.7
100.0
19.0
72 inches = 182.9cms
38 US gallons equals 143.8 liters, rounded to the nearest tenth of a liter.
43 degrees Celsius is equal to 109.4 degrees Fahrenheit when rounded to the nearest tenth.
There are 2.12 miles (rounded to the nearest hundredths) in 3.42 kilometers.
43 degrees Celsius is equal to 109.4 degrees Fahrenheit when rounded to the nearest tenth place.
Is this question for real? I would hazard a guess that the answer, rounded to the nearest tenth, is 3.5 inches.