Question 1 Calculate the value of the error with one decimal place for: z = x/y where x = 8.5 +/- 0.2 and y = 2.2 +/- 0.4 Please enter the answer without +/- sign. Question 2 How many significant figures has the number 4031.053. Question 3 Using the rules of significant figures, calculate the summation of A = 0.3 and B = 11.283 3 pts 3 pts 3 pts Question 4 Using the rules of significant figures, calculate the multiplication of A = 58.921 and B = 0.884: Question 5 3 pts 3 pts Your calculated density of aluminum is d = 2.61 g/cm. The accepted value of the aluminum density is 2.70 g/cm. The percent error (follow significant figures rules) is: Just put the number, no need for the % sign