Question

What is 672,905 rounded to the nearest ten thousand

Answer 1

670,000

Explanation:

5 or more, raise the score.

4 or less, let it rest.

5 rounds 0 up to 1

672,910

1 doesn't change the 9

672,900

9 rounds 2 up to 3

673,000

3 doesn't change the 7

670,000