It ends in 1, so it is rounded down to 630.
930
56,999 to the nearest tens is 57,000
995 to the nearest tens is 1000. When rounding to the nearest tens, you look at the digit in the ones place. If it is 5 or greater, you round up; if it is less than 5, you round down. In this case, the digit in the tens place is 9, which is 5 or greater, so you round up to the nearest tens, which is 1000.
456.82 to the nearest tens place = 460
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
995 to the nearest tens is 1000. When rounding to the nearest tens, you look at the digit in the ones place. If it is 5 or greater, you round up; if it is less than 5, you round down. In this case, the digit in the tens place is 9, which is 5 or greater, so you round up to the nearest tens, which is 1000.
To the nearest tens place, 0.6 = 0
90
391 rounded to the nearest tens place is 390