700
670 rounded to the nearest hundred is 700. 670 rounded to the nearest hundred is 1000.
673 rounded to the nearest ten is 670.
10
670
670
In whole numbers, rounding to the nearest ten is better. And in decimals, rounding to the nearest hundreth is more accurate.
670
They both involve rounding numbers.
670
It is 670.
If rounding to the nearest ten: 795 If rounding to the nearest hundred: 750
It is 412830 when rounded to the nearest ten