923 to the nearest tens place = 920
6,512,162 to the nearest tens place = 6,512,160
1678 to the nearest tens place = 1,680
394 to the nearest tens place = 390
798 to the nearest tens place = 800
8,146 to the nearest tens place = 8,150
920
350 + 920 = 1270
923 rounded to the nearest hundred is: 900. This is because the value in the tens place "2" is less than 5. When rounding anything equal to or greater than 5 gets rounded up and everything below 5 gets rounded down.
395 to the nearest tens place = 400
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