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

ID: 787089 • Letter: 1

Question

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

Explanation / Answer

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

? a) 40.050?????_______________ 2

? b) 0.0340 x 105 ????_______________1

? c) 37000?? ??_______________5

? d) 100 (as in one meter has 100 cm).?_______________3



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) ?____________________70.48x 103



?b) Log 0.4678 x 10-3 ____________________-0.3299x 10-3 _



? c) (3.27 x 10-3) + 0.051?____________________3.321x 10-3)



? d) antilog 3.856??____________________?47.275


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