Last modified: Thu 10/31/2013 08:23:41 pm ACA Page

Oklahoma State University

It is OK to use your textbook or lecture notes from class, but if you can answers the questions without it that is OK too.

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Answer all of the questions below. If you do not know an answer enter CNA. However, it will help me the most if you answer each question with your best intuition/idea about what would be a reasonable answer.


First Name:

Last Name:

School:

1. Indicate the number of significant figures in each of the following measurements,

a) 1.020 mLs

b) 0.01020 gms

c) 5.0060 x 102 km

d) 1600 people were estimated to have attended the meeting

2. Complete the following calculations and report the answer to the correct number of significant figures,

a) 0.0821 * 273.15 =

Indicate how many significant figures are in your answer in Q2a

b) 23.45 - 20.023 =

Indicate how many significant figures are in your answer in Q2b

c) 1/313 - 1/97 = (this one is challenging! Note the 1 in both numerators is an exact number.)

Indicate how many significant figures are in your answer in Q2c

d) 1.823 x 10-4 + 9.18 x 10-2 =

Indicate how many significant figures are in your answer in Q2d

3) Fun with conversions....watch your significant figures!

a) How many centimeters in 3.00 feet? cm

Indicate how many significant figures are in your answer in Q3a

b) How many ft2 in 126 in2? ft2

Indicate how many significant figures are in your answer in Q3b

c) Diamond (a form of elemental carbon) has a density of 3.513 g cm-3. What is the density of diamond in pounds foot-3?

pounds foot-3

Indicate how many significant figures are in your answer in Q3c

4. In the space provided describe the contents of the container as best you can.

 

5. Is there anything about the questions that you feel you do not understand? List your concerns/questions.

6. If there is one question you would like to have answered in lecture, what would that question be?