You take the number given and divided it by its places.
Example: 654, the 6 is in the hundreds, the 5 is in the tens amd the 4 is in the ones.
So in your case the 9 is in the tens place.
If the number is betweek 0 and 4 it rounds down to a 0. If the number is between 5 and 9 then you round up to ten.
Example: 654
To the ones 650
To the tens 650
To the Hundreds 700
So for the number 9 it would round to 10.
9 rounded to the nearest tens place is 10
0.7778
To round 472992 to the nearest ten thousand, you would look at the digit in the ten thousand place, which is 9. Since 9 is greater than 5, you would round up. Therefore, 472992 rounded to the nearest ten thousand would be 480000.
3490
10
9 rounded to the nearest tens place is 10
The number 490 is already rounded to the nearest ten.
6 will be the answer
0.7778
To round 472992 to the nearest ten thousand, you would look at the digit in the ten thousand place, which is 9. Since 9 is greater than 5, you would round up. Therefore, 472992 rounded to the nearest ten thousand would be 480000.
3300
3490
10
2500
To round 391 to the nearest ten, we look at the digit in the tens place, which is 9. Since 9 is greater than or equal to 5, we round up. So, 391 rounded to the nearest ten is 400.
896 to the nearest tens is 900
10