The tens place is two digits before the decimal point. To round it use the ones digit (left of the decimal point) to decide whether to round up (ones digit is 5 or more) or down (ones digit is 4 or less).
In 907.457 the ones digit is 7 ehich is 5 or more, so it rounds up to 910.
907.457 rounded off to nearest tens place is 910. If it were asked to round off to nearest "tenths" place, it would have been 907.5.
50.
760
999,999,999 = 1,000,000,000 to the nearest tens.
18.19 rounded to the nearest tens place is 20
456.82 to the nearest tens place = 460
554 to the nearest tens place is 550
To the nearest tens place, 0.6 = 0
2,742 to the nearest tens place is 2,740
456 to the nearest tens place is 460
85 to the nearest tens place = 90
To the nearest tens, it is 560.00
391 rounded to the nearest tens place is 390
907.457 rounded off to nearest tens place is 910. If it were asked to round off to nearest "tenths" place, it would have been 907.5.
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.
The answer is 60
50.