3. In an exercise to teach students how to use and analytical balance, the instructor gives a student a quarter which has been pre-weighed as 5.6026 g. The weight that the
student obtains for the same quarter is 5.6013 g. What is the percent error in the
students reading?

The percent error is 0.023%.

Explanation:

Pre-weighed of a quarter is 5.6026 g.

The weight that the  student obtains for the same quarter is 5.6013 g.

We need to find the percent error in the students reading. It is given by the formula as follows :

Putting all the values, we get :

So, the percent error is 0.023%.

the answer is 0.42 is that is an option. this question provides no info