It is already rounded to the nearest ten as 720
i farted
720
720
720
720
To the nearest ten, 720 To the nearest hundred, 700
720
To the nearest ten, 720 To the nearest hundred, 700
720
715 rounded to the nearest 10 is 720
720
726 rounded to the nearest ten is 730.
700
The answer will depend on the degree to which the number is rounded. Without any indication of that, it is not possible to answer the question sensibly.
700