27.0
256 to the nearest 100 is 300, because this is the number it is closer to. HTU 256 Look at the tens (T), if this number is 5 or over the hundreds column (H) is rounded up, in this case to 3(00). If it is 4 or under it is rounded down to 2(00).
When rounding 55 to the nearest hundred up, it becomes 100. This is because 55 is closer to 100 than it is to 0. When rounding 55 to the nearest hundred down, it remains 0. This is because 55 is closer to 0 than it is to 100.
2.98 rounded to 1 decimal place
12oC
I.83 is already rounded to the nearest hundredth
65.278 rounded to the nearest tenths place is 65.3
29.1
9.5
543 rounded to the nearest tens place is 540.
6.9 rounds to 7.
120
It is already a whole number as 1220
237000
27.0
2.67
200