Chapter 1: Keys to the Study of Chemistry43.Which one of the following numbers contains a digit or digits which is/are not significant?A) 970.0 B) 502 C) .300 D) .0043 Ans: D
Difficulty: E44.Select the answer that expresses the result of this calculation with the correct number of significant figures. 13.602 1.90 3.064.2 1.4097ﾴﾴ=ﾴ
Difficulty: H45.Select the answer that expresses the result of this calculation with the correct number of significant figures and with correct units.16.18 cm 9.6114 g 1.4783 cm2=
Difficulty: M46.Which measurement is expressed to 4 significant figures?
Difficulty: E47.Express 96,342 m using 2 significant figures.A)9.60 104mD)9.6 10–4B)9.6 104mE)96000. mC)9.60 10–4Ans: B
Difficulty: E48.Select the answer with the correct number of decimal places for the following sum:13.914 cm + 243.1 cm + 12.00460 cm =
Difficulty: MPage 8