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G111Assign2Spring2011

# G111Assign2Spring2011 - Geography 111 Laboratory Assignment...

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Geography 111 Laboratory Assignment 2 Owen Hertzman Jan. 17-20, 2011 Mathematical BASICS for the study of Physical Geography Background Information follows the assignment, starting on p.3 . This laboratory is about communication of scientific information. You need to be as precise, clear and informative with this kind of communication as you are with words when talking to someone you care about!! ASSIGNMENT 2 (Hand in pp.1-2, graphs and 1 extra page) Due: Jan. 24-27) Q1. Give the Dimensions and Units for the 2 following examples using the background material below: a. DENSITY = MASS divided by VOLUME DIMENSIONS are (remember to change volume to basic units) = _________________________________ Metric (SI) UNITS are = ___________________________ b. VOLUME of WATER FLOWING = VOLUME / TIME DIMENSION in basic units = ___________________________ Metric (SI) UNITS are:__________________________________ Q2. Convert the following to standard form: a. .0000000567 = ______________________ How many sig. figs? ____________ b. .0001460 = ______________________ How many sig. figs? ____________ c. 3250076 = ______________________ How many sig. figs? ____________ Q3. Re-express this number in exponential form with 3 sig. fig.’s. 3467219 ________________________ Q4. Use the TABLE on next page. a. Round off each values in the second column to 3 significant digits ( or 3 significant figures) and put the new values in the 6 th Column [rounded e x ]. b. For each x in column 1 compute x 4 and put them in Column 5 of the table. c. Look at the data in the 6 th column and the 2 nd column? Has rounding off the numbers made the numbers more or less difficult to use in other calculations? ________ Has the rounding process changed the values very much? ____________________ Q5. PLOTTING Use the horizontal axis for x and the vertical axis for x 2 , x 3 x 4 etc.. Use the short side of the graph paper for the horizontal (x) and the long side for the vertical. Use 100 units per cm on the vertical and label it every 200. Use 0.5 units per cm on the horizontal and label it every 1. GEOG 111 Assignment 2 Jan. 17-20, 2011 1

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a. Now PLOT x 2 and x 3 and x 4 against x. Remember to connect each point for x 2 to the next point for x 2 with a STRAIGHT line. Do the same for the other FUNCTIONS x 3 and x 4 ) Compute the value of each curve when x=0?
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