QUSSO\" 13 Perform the following mathematical operation. Not yet answered Report your intermediate answers in subscript notation showing the correct number of significant figures (in the first box) and one or two extra digit_s (in the second box). Marked out of 200 Answer In subscript form Flnal answer rounded with extra digits to correct sig figs \\'7 Flag question For example, 3.455 = 3'45 I '3 3'46 Mathematical operation (12.76 - 9.539) + (3.2 + 9.59) C After first step After second step Final Answer Question 14 Perform the following mathematical operation. Not yet answered Report your intermediate answers in subscript notation showing the correct number of significant figures (in the first box) and one or two extra digits (in the second box). Marked out of 2.00 Answer in subscript form Final answer rounded with extra digits to correct sig figs Flag question For example, 3.456 = 3.45 6 3.46 Mathematical operation 1.23 x 9.112 - 21.15 + 11.892 After first step After second step Final