861 rounded to the nearest 100 is 900
It is: 900
To round 861 to the nearest hundred, you look at the digit in the tens place, which is 6. Since 6 is 5 or greater, you round up. Therefore, 861 rounded to the nearest hundred is 900.
To convert a percentage to a decimal, divide by 100: 861 % = 861 ÷ 100 = 8.61
900
333
860
To the nearest ten, 860
900
860
1000
You multiply the decimal value by 100: 8.61 x 100 = 861 %
That is 4800