There are 30.48 centimetres in one foot. Therefore, rounded to two decimal places, 278 centimetres is equal to 278/30.48 = 9.12 feet.
It is already rounded to one decimal place as 3.6
0.195 = 0.2 rounded to one decimal place
Any decimal less than one will round to zero.
2.75590551 rounded to the nearest tenths (its one place after the decimal point) is 2.8.
That is to one decimal place (figures after the decimal point).
4
9.6
9.7
4.7
It is 27.6
7.4