Answer :
Answer: 330
Rounding to the nearest 10 is simple. All you have to do is underline 2. After you underline 2 put an arrow pointing to 9.
2 < 9
Add 1 under 2 because any number from 5 and above you add 1. 4 and lower you add 0.
329 rounded is 330.
The number behind 3 becomes 0.