3100
When rounding 3066 to the nearest tenth, you look at the digit in the hundredths place, which is 6. Since 6 is greater than 5, you round up the digit in the tenths place from 0 to 1. Therefore, 3066 rounded to the nearest tenth is 3066.0.
853 rounded to the nearest 100: 900. 10853 rounded to the nearest 100: 10900.
100
100
0
555 rounded to the nearest 100 is 600.
97 rounded to the nearest hundred is 100. 97 rounded to the nearest ten is 100
100
100
100
9000
884600