Please fill in the blank in the "Answer" and "units" boxes. I could not type in the symbol "" in the "Answer" and "units" boxes on the computer.

Question 3 (1 point] Saved You are trying to measure a stretch of sidewalk, but it is too long for your tape measure. You decide to measure it in two steps. The first measurement is L1 = 2.60 i 0.02m and the second measurement is L2 = 4.90 i 0.03 m. You determine the total length using Ltot = L1 + L2, what is the uncertainty on this length? Present your answer with one significant figure Your Answer: Answer units Question 4 (1 point} You have a garden which measures 7.45: 0.40m long and 5.05: 0.48m wide. You determine the total area using A = L * W, what is the uncertainty on this area? Provide your answer with two significant figures Your Answer: Answer units