Round 685 to the nearest ten.

The number 685 rounded to the nearest ten is 690.

how did you get that

To round a number to the nearest ten, you need to look at the digit in the ones place (in this case, 5).

If the digit in the ones place is 0, 1, 2, 3, or 4, you round down to the nearest ten.

If the digit in the ones place is 5, 6, 7, 8, or 9, you round up to the nearest ten.

In this case, the digit in the ones place is 5, which is equal to or greater than 5. Therefore, you round up to the nearest ten, which is 690.

so if it was 684 what would it be then

If the number is 684, the digit in the ones place is 4. Since 4 is less than 5, you would round down to the nearest ten. Therefore, 684 rounded to the nearest ten would be 680.

To round a number to the nearest ten, you need to examine the ones digit. Here is how you can round the number 685 to the nearest ten:

1. Look at the ones digit: The ones digit of 685 is 5.

2. If the ones digit is 5 or greater, you round up. In this case, 5 is greater than 5.

3. Add 10 to the original number (685 + 10 = 695) to round it up to the nearest ten.

Therefore, rounding 685 to the nearest ten gives you 695.