gbgirl1985 gbgirl1985 15-03-2021 Chemistry contestada help me pleaseeee/ I'll give you brainliestttuse significant figures rule6.021cm + 7.4cm + 0.68cm + 12.0cm = ? 10.4168m - 6.0m = ? 1.31cm x 2.3cm = ? 5.7621m x 6.201m = ? 20.2cm ÷ 7.4s = ? 40.002g ÷ 13.000005g = ? 8.41g + 2.067g = ? 5.11g - 0.042g = ? (4.11 x 10^-6) (7.51 x 10^-4) = ? 8.45 x 10^7 / 6.74 x 10^3 = ? 9.7 x 10^8 / 8.6 x 10^-2