CHEM 24112 Chapter Notes - Chapter 2: Linoleum, Scientific Notation, Hertz

1. ?(2 point each) How many significant figures does each of the following numbers have?

? a) 40.050?????_______________

? b) 0.0340 x 105 ????_______________

? c) 37000?? ??_______________

? d) 100 (as in one meter has 100 cm).?_______________



2.?(3 point each) For the following calculations, give the answer, with the correct number of
?significant figures, using scientific notation.


a) (30.25) x (2.33 x 103) ?____________________



?b) Log 0.4678 x 10-3 ____________________



? c) (3.27 x 10-3) + 0.051?____________________



? d) antilog 3.856??____________________?


3.?(6 points) The atomic mass of Carbon is 12.0107