Make your own free website on Tripod.com
GRADE 11 MATH REVIEW

TEST: NUMERICAL ANALYSIS

Your test is on Tuesday, Feb. 15.   The answers to this assignment are at the bottom of this page, in red.   As far as I know, they are all correct.   Ask me in class if you have any problems.

  1. Write the following in scientific notation:
    • 398,020,000 = __________


    • 0.000342 = __________




  2. Round off the following to 3 significant digits.
    • 391,390 = __________


    • 0.0001282 = ________




  3. How many signficant digits are in the following?
    • 38,902,000 ________


    • 0.001020 ________




  4. Calculate the following:
    • 2.1 + 10.145 + 2.92 = _____________


    • 2.145 x 213 x 0.155 = _____________




  5. Convert the following:
    • 3,000 kW = __________ GW


    • 450 ug = ________mg


    • 2.0 x 104 km = _______ m.


    • 4.34 x 10-7 kg = ________ mg


    • 0.003 A = ________ mA



  6. (a) Plot the following data.   Be sure to include all the elements of a proper graph (about six different items) for full marks.

    d R
    0.01 130
    0.02 33
    0.03 14
    0.04 8.1
    0.05 5.0

    (b)   Describe in words the relationship between variables "d" and "R".





    (c)       What is the equation describing the relationship between variables "d" and "R"? Show your work, for part marks, including a full log-log plot.




  7. Also be prepared to identify different types of named variations such as direct, exponential, inverse, and square root. The End


EXTRA PROBLEM
If you want extra practice on the logarithmic method of numerical analysis, here is another problem:

V P
32 0.069
64 0.55
96.5 1.89
129 4.50
161 8.76

Answers:
1.
    3.9802 EE 8
    3.42 EE -4

2.
    391 000
    0.000128
3.
    5     4
4.
    15.2     708
5.
    3GW
    0.450 mg
    20 000 000 m
    0.434 mg
    3 mA
6.
    R = 1.3 x 10 -2 R -2

EXTRA PROBLEM:
P = 2.1 x 10 -6 V 3