Question

student measured the length of a metal piece and found it to be 23.1 cm. The actual length of the piece of metal is 22.0 cm.
Answer the following questions:
a) Calculate the error in the length of metal.
b) Calculate the percentage error in the length.

Answer 1

Answer:

1. 3.1 cm
2. 14.1%

Explanation:

L.error = student's measurement - actual length

L.error = 23.1-20.0

= 3.1

the percentage is 3.1/22*100=14.1%