The number 8021 rounded to the nearest hundred is 8000. When rounding to the nearest hundred, we look at the digit in the tens place. If it is 5 or greater, we round up; if it is less than 5, we round down. In this case, the digit in the hundreds place is 0, so we keep the thousands place as it is and change all digits to the right to 0.
It is 300 when rounded to the nearest hundred
916 rounded to the nearest hundred is 900
5800
0
It is already rounded to the nearest hundred thousandths. Rounded to the nearest thousands would be 87.381.
0
10000
0
0
678 is rounded nearest hundred is 700
10900
500