Science 1206 – Motion
Science 1206 – Motion |Worksheet #6 |Feb 23, 2008 | |
More Practice
1.How many significant digits in the following measurements?
a) 200 m
b) 0.0021 GHz
c) 23 hr
d) 10.0 min
e) 2.8 X 10-6 m
2. Complete the following (use significant digits): (Look at the rules for adding/subtracting and multiplication/division with signigicant digits)
a) 23 cm X 2.0 cm
b) 0.024 m X 3 m
c) 23 Mm X 56.33 Mm
d) 18 sec + 34 sec
e) 21.4 hr + 22.45 hr
f) 1.34 X 106 m + 5.5 X 106 m
g) 0.2221 m + 3.456 m + 78.211 m
h) 1.1 cm + 2 cm
i) 23 sec - 22 sec
j) 56.22 m
k) 23.3 m
3. Convert the following:
a) 10.2 m/sec to m/min
b) 15 hr to min
c) 45 min to hr
d) 55.5 m/min to km/hr
e) 65.5 km/hr to m/sec
4. Express the following in Scientific Notation in meters (m). (You may have to look up the prefixes)
a) 22.45 Gm
b) 1.23 nm
c) 23 cm
d) 16.33 Mm
e) 34 mm
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