Significant Digits & Unit Conversion

Basic review of basic skills.
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SIGNIFICANT FIGURES

S = Significant
N = Not Significant

1.
A. S, 2
B. S, 1
C. N, 4
D. N, 4
E. S, 2
F. S, 3
G. S, 1
H. N, 4

2.
A. 2
B. 4
C. INFINITE
D. 2
E. 3
F. 3
G. 3
H. 7
I. 4
J. 3
K. 2
L. 3
M. 3
N. 2
O. 5
P. 1
Q. 3
R. 3
S. INFINITE
T. 4
U. 5
V. 3
W. 3
X. 3
Y. 1
Z. 4
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DETERMINING SIGNIFICANT FIGURES
1) 4
2) 3
3) 3
4) 6
5) 4
6) 6
7) 6
8) 1
9) 3
10) 7
11) a) 71.76 s b) 1896 kg
12) a) 1641.0 m b) 2.222 h
13) a) 0.13 m b) 58.0 cm
14) a) 33 m/s b) 58.0 cm
15) a) 5,3,2,3 b) 53.8 g c)3
16) a) your lab partner - there are two significant digits after the decimal in lab partner's measurement and you only have one significant digit in your measurement
b) 8.5 mL
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UNIT CONVERSION

Most commonly used units (please put a check beside these units on your sheet!):
mega, kilo, centi, milli, micro

1) 6 x 10^3
2) 4.9 x 10^-3
3) 7.6 x 10^2
4) 3.21 x 10^1

* Finish off #5-10 for next class.
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NEXT SCRIBE IS:

...Jessica!

SOUND TEST: MONDAY.