Answer
$$Hundred=600$$
$$Ten=650$$
$$Unit=650$$
$$Tenth=649.9$$
$$Hundredth=649.90$$
$$Thousandth=649.900$$
Work Step by Step
Hundreds place = nearest 100 (in the whole numbers)
So, 649.8995 rounded to the hundreds place is $600$
Tens place = nearest 10 (in the whole numbers)
So, 649.8995 rounded to the tens place is $650$.
Unit = nearest 1 (in the whole numbers)
So, 649.8995 rounded to the unit is $650$.
Tenths place = to the nearest 10 (in the decimals)
So, 649.8995 rounded to the tenth place is $649.9$
Hundredths place = to the nearest 100 (in the decimals)
So, 649.8995 rounded to the hundredths place is $649.90$
Thousandths place = to the nearest 1000 (in the decimals)
So, 649.8995 rounded to the thousandths place is $649.900$