blacklego547 blacklego547 08-09-2022 Chemistry contestada Perform each operation. Express your answers to the correct number of significant figures. a. 61.2 m + 9.35 m + 8.6 m b. 9.44 m – 2.11 m c. 1.36 m + 10.17 m d. 34.61 m – 17.3 m