The answer is 10 seconds.
0.17
2.8
It is 20,000 when rounded to the nearest 10,000's place
2.58
137
685 rounded to the nearest integer is 685.
1.6569 rounded to nearest ten is 'zero(0)'. However, I think you mean the nearest 'tenth'. In which case the answer is 1.7. NB decimal digits have a suffix of '---th(s)'.
It is 8796110, exactly as in the question.
It is 133000.
366 rounded to the nearest 10's place is 370
Usually numbers are rounded to numbers, not letters.
Usually numbers are rounded to numbers, not letters.