Consider three different balances that records the following weight:

Balance A: 6.85 g
Balance B: 7 g
Balance C: 6.9 g


A) which of the three balances is the most precise?

- Balance A
- Balance B
- Balance C


B) you are instructed to weigh 5.0 g of a solid. Which of the three balances is the most appropriate balance to use?

- Balance A
-Balance B
-Balance C