Yes - because the next digit is 5 or more. If it had been 4 or less you would have rounded down instead.
30
345 will round to 350.
3.9356 to the nearest tenth is 3.9.
A tenth of 0.44 is 0.044. The nearest tenth to it is zero. 0.44 rounded to the nearest tenth is 0.4 .
It is 1.0 to the nearest tenth and not 0.9
345 rounded to the nearest tenth is 345. There is no change.
35% as a decimal is 0.35 and rounded to the nearest tenth it is 0.4
0.35 = 35%, so rounded to the nearest tenth of a percent, it is 35.0% or 0.350
30
0.3
35.0
345 rounded to the nearest 10 is 350
345 rounds to zero.
340
What is 1.4 to the nearest tenth
345 will round to 350.
3.9356 to the nearest tenth is 3.9.