1.2 meters
123.45 rounded to the nearest tenth is 120.
This is a 39.5349% increase which rounds to 39.5%
120.0
It is already rounded because it does not contain anything in the tenths place. For example, the 2 in 4.2 is in the tenths place. However, if you meant the nearest ten, then 120.
1.2
To the nearest ten, 120
120.0
115 rounded to the nearest ten is 120
The digit in the ones place is 3, so we round down to get 120 as the answer.
120
120
It is 120.