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Review of Sig figs_ dimensional analysis_ conversions_ and Scientific

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					Review of Sig figs, dimensional analysis, conversions, and Scientific Notation
     1) How many Sig Figs do the following measurements have:
        a) 1000
        b) 1100
        c) 1010
        d) .0001
        e) .0011
        f) .0101
        g) .01010
        h) 1000.0
     2) How many sig figs do the following conversions have?
        a) 12in = 1 ft
        b) 1in = 2.54cm
        c) 1000m=1km
        d) 1000mm=1m
        e) 1m=100cm
     3) Convert the following measurements either into S.N. or to Decimals.
        a) 2000
        b) 2200
        c) 2020
        d) .0002
        e) .0022
        f) .0202
        g) .02020
        h) 2000.0
     4) Using Dimensional analysis convert the following measurements.
        a) 3000 meters to km
        b) 3300 cm to m
        c) 3030 mm to m
        d) .0003 m to mm
        e) .0033 lbs to grams
     5) Using dimensional analysis convert 100.g of Fe into number of atoms of Iron. Use the following
        1mole of Iron = 55.9g and 1mole= 6.02 X 1023 atoms.




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Review of Sig figs, dimensional analysis, conversions, and Scientific Notation
(KEY)
     1) How many Sig Figs do the following measurements have:
        a) 1000
        b) 1100
        c) 1010
        d) .0001
        e) .0011
        f) .0101
        g) .01010
        h) 1000.0
           a) How many sig figs do the following conversions have?
        f) 12in = 1 ft
        g) 1in = 2.54cm
        h) 1000m=1km
        i) 1000mm=1m
        j) 1m=100cm
           b) Convert the following measurements either into S.N. or to Decimals.
        i) 2000
        j) 2200
        k) 2020
        l) .0002
        m) .0022
        n) .0202
        o) .02020
        p) 2000.0
           c) Using Dimensional analysis convert the following measurements.
        f) 3000 meters to km
        g) 3300 cm to m
        h) 3030 mm to m
        i) .0003 m to mm
        j) .0033 lbs to grams
           d) Using dimensional analysis convert 100.g of Fe into number of atoms of Iron. Use the
               following 1mole of Iron = 55.9g and 1mole= 6.02 X 1023 atoms.




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posted:3/5/2012
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