10,000
The answer depends entirely upon the level of precision of the rounding, which the question does not specify. Round to the nearest 1000 and the answer is 500. Round to the nearest 1 and the answer is 999.5. Round to any other level of accuracy and you get a different answer again.
It can only be rounded to the maximum of one-hundredths because of the two (not three) decimals.
181 rounded off the nearest thousand is 0. It rounds down to zero because 181 is not 500 or above to be rounded up to 1000.
It is 71422.73 rounded off to the nearest hundredth
10,000
10,000
1000
950 - 1049 all round to 1000 when rounded off to the nearest hundred500 - 1499 all round to 1000 when rounding off the nearest thousand
8000
1000
1000.
Round off 995 to the nearest ten
2,562 to the nearest thousands is 3,000.
4000
7000
19,023 rounded to the nearest 10,000 would be 20,000.