555
555
555
600
600
Because sometimes People are incorrect. 555 to the nearest ten is 560.
No, it is not.
555
No, it's 560
560
555 rounded to the nearest 100 is 600.
Yes. 555 rounded to the nearest 100 is 600.
555
540
It is: 600
600 & 560.
The front end estimate is 600. But estimating a single number, in isolation and without context, is a complete waste of time.If I had to add 555 to 1 trillion, I would estimate it as 0. If I had to add 555 to 0.0000000001, I would use the number as given - not use an estimate.