The answer is 60
60' To find the nearest ten to '57' , you move 7 places to '50', but only '3' places to '60'. So '60' is the nearest ten.
395 to the nearest tens place = 400
923 to the nearest tens place = 920
64 to the nearest tens place = 60
5,253 to the nearest tens place = 5,250
394 to the nearest tens place = 390
8,146 to the nearest tens place = 8,150
128.27 to the nearest tens place = 130
1678 to the nearest tens place = 1,680
6,512,162 to the nearest tens place = 6,512,160
798 to the nearest tens place = 800
103 to the nearest tens place = 100