According to the instruction manual, sam's camera screen is 2.7 inches long. he measured its length using the two rulers shown. which is true about the accuracy and precision of the rulers?

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday