It ends in 1, so it is rounded down to 630.
930
56,999 to the nearest tens is 57,000
456.82 to the nearest tens place = 460
629 to the nearest tens is 630
554 to the nearest tens place is 550
631 to the nearest hundred is 600. 631 to the nearest hundredth is 631.00
930
630
134 to the nearest tens is 130
56,999 to the nearest tens is 57,000
To the nearest tens: 10 To the nearest tenths: 7.2
93 to the nearest tens = 90
85 to the nearest tens place = 90
To the nearest tens place, 0.6 = 0
90
391 rounded to the nearest tens place is 390
629 to the nearest tens is 630