Errors In Measurment

Question 0

What is the max error of a number?

Answer 0

Max error = 1/2 measured to the nearest 0.1

E.g.
In 6.4 cm, the max error = 0.05
=6.45cm

Question 1

What is the degree of accuracy?

Answer 1

= half the smallest unit used

Question 2

How do we workout what the measurement lies between?

Answer 2

Measurement lies between the max error and the min error

E.g
In 6.4cm, the measurement lies between:
6.35cm —> 6.45cm