accurecy and precision

1.accuracy is when you are right in the ballpark for all of your answers but precisoin is when all of your answers are close but not accuret.

2. the electronic balence balance will be really accuret but a human opperated tripple beam balance will be more precise but not as accuret as a electronic devise.

3. A significant digit  is a digit that matters in a problem.

4.2000 mL

5.I learned about sig fig and that the sig fig is counting the number of signifant numbers in an answer