1-19 -Significant Digits Wks

[Pages:1]Worksheet: Significant Digits

Name__________________

1. The freezing point of a liquid is 55 oC. Give examples of three measurements of the freezing temperature that would be precise but not accurate.

2. In the measurement, 86.21, the "2"is (certain, estimated) and (significant, not significant). The "1"is (certain, estimated) and (significant, not significant).

3. How many significant digits are in these measurements?

a) 25.001 cm

________

b) 0.00012 kg

________

c) 35,000 m/s

________

d) 5.611 x 10 5 s

________

e) 0.0120 mm

f) 2.00 x 10 -3 mL _

g) 750 dg

________ ________ ________

PHYSICSFundamentals

? 2004, GPB

1-19

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