malkmosalam12 malkmosalam12 24-10-2022 Physics contestada Round the answer for each problem to the correct number of significant figures. a. (7.31 × 104) + (3.23 × 103) b. (8.54 × 10–3) – (3.41 × 10–4) c. 4.35 dm × 2.34 dm × 7.35 dm d. 4.78 cm + 3.218 cm + 5.82 cm