There are 320 tens in 3200.
190 + 130 = 320
320
320
320 and 330
310 and 320.
320
To round off 321 to the nearest 10, you would first identify the digit in the tens place, which is 2. Since the digit in the ones place is less than 5, you would round down to the nearest 10. Therefore, 321 rounded to the nearest 10 is 320.
If you are rounding to the nearest tens, 320 is the answer. If you are rounding up to the nearest tens, 330 would be the answer. The difference is the word "up", which specifies that the answer will be greater than 321. The answer of 320 would be rounding down.
32 tens are 320
The answer is 32. All you do is 320 divded by 10 equals 32.
Well, darling, 320 divided by 40 equals 8. And 32 tens divided by 4 tens also equals 8. It's as simple as that, no need to make it more complicated than it needs to be. Math doesn't have to be a headache, honey.