Answer:

1.) Correct, it is 39,000.

2.) Correct, it is 46,000.

3.) Correct, it is 12,000.

4.) This is not correct, the answer should be 73,000 since the right number of the digit 2 is 6. Therefore, it should round up.

5.) Correct, it is 35,000.

NOTES:

- If the number is less than 5, then the nearest digit should round down.

- If the number is equal or greater than 5, then the nearest digit should round up.

Hope it helps!