Well, darling, 580 rounded to the nearest ten is 580. It's already sitting pretty on that ten, so no need to push it one way or the other. Just let it be fabulous at 580.
60
580
580
580
580
580
It is 580
It is 580
Rounded to two decimal places, the square root of 580 is equal to 24.08.
580
580
There are 1.609344 kilometres in one mile. Therefore, rounded to two decimal places, 580 kilometres is equal to 580/1.609344 = 360.40 miles.