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
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