What is an absolute error
The actual mathematical difference between the answer and the approximation.
Will an absolute error always be positive
Yes
When could you apply an absolute measure
To decide whether the number is accurate enough
What is a relative error
The ratio of the absolute error and the number you are trying to represent
What does a relative error do
Compares the actual result to the expected result
Equation for relative number
Absolute error / Number intended to be stored
How can you make a relative error a percentage
Multiplying it by 100