What is the percentage error of 8.9 -0.2?

Well, isn't that a happy little question! To find the percentage error of 8.9 - 0.2, you first need to calculate the difference, which is 8.7. Then, divide this difference by the original value (8.9) and multiply by 100 to get the percentage error. It's all about embracing the happy accidents in math, just like we do in painting!