Assume you are given the task of calculating the weight of the moon. a) Describe which values you need and what error might be associated with measuring the values of those variables (2 marks). b) Research online how at least one of the values are measured and describe the method in your own words (1 mark) b) estimate the overall error you might have after calculating the weight from your variable's values (2 marks). The key for this question is to be aware of basic assumptions and where errors might be introduced into the model. You can be creative for the question if you like