It is 25.6
Most schools teach you to always round 5 up (so the answer would be 25.7) but, while this is a simple rule to teach, it is not really correct. Under this rule:
• if the following digit is 0 you don't round;
• if the following digit is 1, 2, 3 or 4 you round down; and
• if the following digit is 5, 6, 7, 8 or 9 you round up.
As a result you are more likely to round up than round down and that introduces an upward bias into your calculations.
The IEEE (Institute of Electronic and Electrical Engineers) standard 754 is to round 5 up or down so that the new last digit is even. See link for more: //en.wikipedia.org/wiki/Rounding#Round_half_to_even
It is then 5.7 when rounded to one decimal place
It is 60.0 rounded to one decimal place and not 59.9
It is 2.8 rounded to one decimal place
10.27 rounded to one decimal place = 10.3
3.214 rounded to one decimal place is 3.2
It is already rounded to exactly that degree.
49.72 rounded to one decimal place is 49.7.
It is 44.3 when rounded to one decimal place
It is then 5.7 when rounded to one decimal place
978.229 rounded to one decimal place is 978.2
3.05 rounded to one decimal place is 3.1.
44.98 rounded to one decimal place is 45.0
13.3131 rounded to one decimal place = 13.3
2.91 rounded to one decimal place is 2.9
1.13 rounded to one decimal place is 1.1
It is 60.0 rounded to one decimal place and not 59.9
It is 2.8 rounded to one decimal place