- MICROSCOPES A microscope used in a lab is
capable of viewing structures that range in size from
0.1 to as small as
0.0001 centimeter.
Which of the
structures listed in
the table would be
visible through this
microscope?
104. FASTEST CARS
The graph below
shows AutoWeek’s
list of fastest cars for
- Find the time
it takes each car to
accelerate from 0 to 60 mph.
2.5
sec
3.0
sec
3.5
sec
4.0
sec
Bugatti Veyron 16.4
Time to accelerate from 0 to 60 mph
LamborghiniSuperveloce
Koenigsegg CCX
Nissan GT-R
Chevy Corvette ZR1
Ferrari Scuderia
- GEOLOGY Geologists classify types of soil
according to the grain size of the particles that make
up the soil. The four major classifications of soil are
shown below. Classify each of the samples (A, B, C,
and D) in the table as clay, silt, sand, or granule.
0.00 in.
Clay Silt Sand Granule
0.00008 in. 0.002 in. 0.08 in. 0.15 in.
- THE STOCK MARKET Refer to the graph below,
which shows the earnings (and losses) in the value of
one share of Goodyear Tire and Rubber Company
stock over twelve quarters. (For accounting
purposes, a year is divided into four quarters, each
three months long.)
a. In what quarter, of what year, were the earnings
per share the greatest? Estimate the gain.
b. In what quarter, of what year, was the loss per
share the greatest? Estimate the loss.
- GASOLINE PRICES Refer to the graph below.
a. In what month, of what year, was the retail price
of a gallon of gasoline the lowest? Estimate the
price.
b. In what month(s), of what year, was the retail
price of a gallon of gasoline the highest?
Estimate the price.
c. In what month of 2007 was the price of a gallon
of gasoline the greatest? Estimate the price.
–$3.00
(Source: Wall Street Journal)
–$2.00
–$1.00
$1.00
$0.00
$2.00
Goodyear Tire and Rubber Co.
Earnings per share
$3.00
Q3
2006
Q1 Q2 Q4 Q3
2007
Q1 Q2 Q4 Q3
2008
Q1 Q2 Q4
4.1 An Introduction to Decimals 329
Location Grain size
Sample found (in.) Classification
A Riverbank 0.009
B Pond 0.0007
C NE corner 0.095
D Dry lake 0.00003
Structure Size (cm)
Bacterium 0.00011
Plant cell 0.015
Virus 0.000017
Animal cell 0.00093
Asbestos fiber 0.0002
*Retail price includes state and federal taxes
(Source: EPA Short-Term Energy Outlook, March 2009)
0.40
0
0.80
1.20
1.60
2.00
2.40
2.80
3.20
3.60
4.00
4.40
Jan
2007
Jan
2008
Dollars per gallon
FMAMJ JASOND
Jan
2009
FMAMJ JASOND
U.S. Average Retail Price Regular Unleaded Gasoline*
LIONEL VADAM/Maxppp/Landov
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