CHEMISTRY FINAL - WEST COAST UNIVERSITY - ORANGE COUNTY EXAM 2024
Scientific Notation - correct answer 64,000 g = 6.4 x 10⁴ g 0.021 m = 2.1 x 10⁻² m 138 mL = 1.38 x 10² mL Scientific Notation 2400 m - correct answer To write 2400 m in correct S.N. has three parts: 1) Coefficient is 2.4 2) Power of 10 is 3 3) Unit is "m" 2400 m = 2.4 x 1000 = 2.4 x 10³ m Significant Figures - correct answer Are all the digits including the estimated digits. a. Not a zero - 4.5g = 2 SF b. A zero between digits - 205 m = 3SF c. A zero at the end of a decimal number - 50.0 L = 2 SF
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chemistry final west coast university orange c