Question

You are using a digital balance to determine mass. When recording your values, youshould use the following to decide the number of significant digits:

Answer 1

Answer: Option B

Explanations:

There are different measuring devices that one can use in the lab .

1. When using a buret or any other calibrated manual device or laboratory apparatus, it is important to measure up to 3 significant figures. However ,

2. When using a digital aparatus , it is important to use all values on the display , because :

• The significant figures in a measurement consist of all the certain digits in that measurement plus one uncertain or estimated digit,

• hence Option B is correct .