What is 309 rounded up to the nearest 10?

Answer 1

310

Answer 2

When rounding 309 to the nearest 10, you look at the digit in the tens place, which is 0. Since 0 is less than 5, you keep the hundreds place digit the same and change all digits to the right to 0. Therefore, when rounding 309 to the nearest 10, it becomes 310.

Answer 3

It is 310.