Answer
500,000
Work Step by Step
499,501 to the nearest thousand.
Step 1: Locate the place to which the number is to be rounded. and put a line right to that no 499|501
Step 2: Look only at the next digit to the right of the one you have put a line. which is 5.
(If it is 5 or more, increase the underlined digit by 1.)
499+1 = 500
Step 3: Change all digits to the right of the underlined place to zeros.
i.e. 500,000