41) A certain disk can store 600 megabytes of information. If an average word requires
9.0 bytes of storage, how many words can be stored on one disk?
A) 6.7 × 107 words
B) 5.4 × 109 words
C) 2.1 × 107 words
D) 2.0 × 109 words
42) The wavelength of the light from a certain laser is where
What is this wavelength in nanometers? (1 nm = 10-9m)
A) 6.6 × 102 nm
B) 6.6 × 103 nm
C) 6.6 × 101 nm
D) 6.6 × 104 nm
43) If you are 5’10” tall, what is your height in meters? (2.54 cm = 1.00 in.)
A) 1.5 m
B) 1.6 m
C) 1.7 m
D) 1.8 m
44) Given that 1.00 in. = 2.54 cm and 1.00 yd = 36.0 in., how many meters are in 7.00 yd?
A) 6.40 m
B) 36.3 m
C) 640 m
D) 1.78 × 103 m
45) Hydraulicists often express rainfall in acre-feet. This is the amount of water required to cover
an area of one acre to a depth of one foot. There are 640.0 acres in a square mile, and 5280 feet
in one mile. How many cubic feet are there in one acre-foot?
46) Express 50 mi/h in units of meters per second. (1 mi = 1609 m)
A) 49 m/s
B) 2.2 m/s
C) 22 m/s
D) 45 m/s
47) Given that 1.00 in. = 2.54 cm, how many square centimeters are in 1.00 square inch?
A) 1.59
B) 2.54
C) 5.08
D) 6.45
48) A plot of land contains How many square meters does it contain? (1.0 acre = 43,560
ft2 and 2.54 cm = 1.00 in.)
A) 2.3 × 104 m2
B) 7.1 × 103 m2
C) 7.0 × 104 m2
D) 5.0 × 104 m2
49) The density of water is 1.00 g/cm3. What is its density in kg/m3?
50) A light-year (ly) is the distance that light travels in one year. The speed of light is 3.00 × 108
m/s. How many miles are there in 1.00 ly? (1.00 mi = 1.609 km and one year is 365.25 days.)
A) 2.87 × 1013 mi
B) 9.46 × 1015 mi
C) 5.88 × 1015 mi
D) 9.46 × 1012 mi
E) 5.88 × 1012 mi
51) A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in.)
A) 60 m/s
B) 20 m/s
C) 30 km/h
D) 120 m/s
E) 30 m/s
52) Which of the following speeds is greatest? (2.54 cm = 1.00 in.)
A) 10 km/h
B) 10 m/s
C) 10 ft/s
D) 10 mi/h
E) 10 yd/s
53) A person on a diet loses in a week. How many micrograms per second (μg/s) are lost?
A) 2.6 × 103 μg/s
B) 1.6 × 105 μg/s
C) 44 μg/s
D) 6.4 × 104 μg/s
54) There are 640 acres in a square mile, 5280 ft in one mile, and 3.28 ft in one meter. How
many acres are there in a hectare, which is a square one hundred meters on each side?
55) There are 2.00 dry pints to 1.00 dry quart, 8.00 dry quarts to 1.00 peck, 4.00 pecks to 1.00
bushel. An organic farmer wants to pick enough berries to fill 40,000 pint containers. How many
bushels of berries does the farmer need?
56) A typical ruby-throated hummingbird is 8 cm long. Express its length in millimeters and
micrometers (µm).
A) 80 mm; 800 µm
B) 80 mm; 80,000 µm
C) 800 mm; 0.008 µm
D) 800 mm; 0.8 µm
E) 0.8 mm; 8000 µm
57) A jogger has a mass of 50 kg. Express her mass in grams and micrograms (µg).
A) 50,000 g; 5 ×106 µg
B) 500,000 g; 500 × 106 µg
C) 500,000 g; 5000 µg
D) 50,000 g; 5 × 1010 µg
E) 50,000 g; 50,000 µg
58) A jar of peanut butter costs $3.29. Express its price in dekadollars and decidollars.
A) 0.329 dekadollars; 0.329 decidollars
B) 32.9 dekadollars; 0.329 decidollars
C) 329 dekadollars; 32.9 decidollars
D) 0.329 dekadollars; 32.9 decidollars
E) 32.9 dekadollars; 329 decidollars
59) The following conversion equivalents are given:
1.00 gal = 231 1.0 ft = 12 in 1.0 min = 60 s
If a pipe delivers water at the rate of 95 gal/min, its rate of flow in ft3/s is closest to
A) 0.21 ft3/s.
B) 0.19 ft3/s.
C) 0.17 ft3/s.
D) 0.15 ft3/s.
E) 0.14 ft3/s.
60) The following conversion equivalents are given:
1.0 m = 100 cm 1.0 in = 2.54 cm 1.0 ft = 12 in
If a bin has a volume of 1.5 m3, the volume of the bin, in ft3, is closest to
A) 35 ft3
B) 41 ft3
C) 47 ft3
D) 53 ft3
E) 59 ft3
61) The following conversion equivalents are given:
1.0 mile = 5280 ft 1.0 ft = 12 in 1 m = 39.37 in
1.0 hour = 60 min 1.0 min = 60 s
If a deer runs at 4.7 mi/h, its speed, in meters per second, is closest to
A) 2.1 m/s.
B) 1.7 m/s.
C) 1.9 m/s.
D) 2.3 m/s.
E) 2.5 m/s.
62) A speed of 65 miles per hour is the same as which of the following? (1.00 ft = 30.48 cm)
A) 24 m/s
B) 29 m/s
C) 32 m/s
D) 37 m/s
E) 42 m/s
63) The following conversion equivalents are given:
1.0 kg = 1000 g 1.0 l = 1000 1.0 l = 0.0353
The density of a certain liquid is 0.83 g/ . The density of this liquid, expressed in kg/ft3, is
closest to
A) 24 kg/ft3.
B) 19 kg/ft3.
C) 21 kg/ft3.
D) 26 kg/ft3.
E) 28 kg/ft3.
64) Your car gets 34.7 mi/gal on a vacation trip in the U.S. If you were figuring your mileage in
Europe, how many km/L did it get? (3.79 L = 1.00 gal; 1.00 mi = 1.61 km)
A) 14.7 km/L
B) 9.16 km/L
C) 55.9 km/L
D) 32.4 km/L
65) An oak tree was planted ago. How many seconds does this correspond to? (Do not
take leap days into account.)
A) 6.9 × 108
B) 1.2 × 107
C) 2.9 × 107
D) 2.8 × 108
66) At a certain time, the average size of a transistor in a microprocessor was 250 nanometers. A
human hair has a diameter of 70 microns (micrometers). How many transistors fit across a
human hair?
A) 280
B) 28
C) 2800
D) 2.8
E) 0.28
67) The king’s chamber of the great pyramid in Egypt is 10.43 m long, 5.21 m wide, and 5.82 m
high. What is the volume of the chamber in cubic feet, expressed to the correct number of
significant figures? (1.00 in. = 2.54 cm)
A) 316 ft3
B) 3,720 ft3
C) 6,530 ft3
D) 11,200 ft3
E) 13,200 ft3
68) Rover eats 0.50 pound of dry dog food per day. How many 5.0-kg sacks of dog food does his
owner need to buy in a year? (1.0 kg weighs 2.2 lb)
A) 17
B) 25
C) 52
D) 80
E) 81
69) The peak of Mt. Everest, at 10,900 m, is the highest point above sea level in the world. What
is its elevation in miles? (1.00 m = 3.281 ft)
A) 17.6 mi
B) 0.630 mi
C) 6.77 mi
D) 6.20 mi
E) 67.1 mi
70) The Hope Diamond weighs 44.5 carats, and there are 200 mg per carat. What is the mass of
the Hope Diamond in kilograms?
A) 0.000890 kg
B) 0.00890 kg
C) 0.0890 kg
D) 0.890 kg
E) 8.90 kg
71) The column of Trajan, erected in Rome in 106-113 A.D., is 125 feet tall. What is its height in
centimeters? (2.54 cm = 1.00 in.)
A) 1,510 cm
B) 591 cm
C) 2,520 cm
D) 3,810 cm
E) 38,100 cm
72) There are 640 acres in a square mile, and 5280 feet in 1.00 mile. What is the length in feet (to
the nearest foot) of the side of a square having an area of 1.00 acre?
A) 660 feet
B) 209 feet
C) 165 feet
D) 412 feet
E) 435 feet
73) An American football field, including end zones, is 360 feet long and 160 feet wide. If you
needed to describe it for someone in Europe using the metric system, which one of the following
quantities would be closest to its area in square meters? (2.54 cm = 1.00 in.)
A) 4,920 m2
B) 5,350 m2
C) 88.0 m2
D) 12,100 m2
E) 13,200 m2
74) Leonardo da Vinci’s Mona Lisa is 21 in. wide and 30.25 in. tall. What is the area of the
painting in square centimeters? (1.00 m = 39.37 in.)
A) 4,100 cm2
B) 1,600 cm2
C) 660 cm2
D) 3,300 cm2
E) 2,400 cm2
75) A cylindrical drinking glass has a diameter of 2.5 in. and is 5.5 in. tall. What is the volume of
the drinking glass in cubic centimeters? (2.54 cm = 1.00 in.)
A) 170 cubic cm
B) 440 cubic cm
C) 350 cubic cm
D) 710 cubic cm
E) 530 cubic cm
76) A football field is 120 yd long and 50 yd wide. What is the area of the football field, in
square meters, given that 1.0 yd = 91.44 cm?
A) 2.4 × 103 m2
B) 3.7 × 103 m2
C) 4.2 × 103 m2
D) 5.0 × 103 m2
77) Wall posters are usually sold curled up in cylindrical cardboard tubes. If the length of the
tube is 84.5 cm, and the inside diameter of the tube is 2.40 cm, what is the area of the poster
expressed to the correct number of significant figures? (Assume the poster is just as long as the
tube and does not overlap itself.)
A) 202.8 cm2
B) 637.1 cm2
C) 203 cm2
D) 319 cm2
E) 637 cm2
78) A spherical fruit has a radius of 3.23 cm. What is the volume of the fruit in cubic meters?
A) 1.41 × 10-4 m3
B) 1.41 m3
C) 4.23 × 10-4 m3
D) 4.23 m3
79) A thick-walled metal pipe of length 20.0 cm has an inside diameter of 2.00 cm and an
outside diameter of 2.40 cm. What is the total surface area of the pipe, counting the ends, in
square centimeters?
A) 276 cm2
B) 277 cm2
C) 278 cm2
D) 279 cm2
80) The radius of the earth is 3963 mi. Which one of the following numbers is closest to the
surface area of the earth? (1.0 mi = 1609 m)
A) 4.9 × 107 m2
B) 1.3 × 1014 m2
C) 2.6 × 1014 m2
D) 5.1 × 1014 m2
81) A large school district has 300 school buses. If each school bus is used 3.0 hours each day,
the average speed of the school buses is 15 mi/h, and the fuel economy of the buses is 10 mi/gal.
How much does it cost to run these buses for 22 school days if gasoline costs $4.10 a gallon?
A) $60,000
B) $120,000
C) $180,000
D) $240,000
82) A 2.00-qt bottle of soda is on sale for $1.29. What should be the price of a 2.00-L bottle of
the same soda to yield the same value? (1.00 qt = 0.947 L)
83) In a country where the unit of currency is the Passi, kerosene costs 130 Passi per liter, and
one dollar buys 227 Passi. What is the cost of kerosene in dollars per gallon? (1.00 gal = 3.79 L)
84) The tank of a certain car holds 16 gallons of gasoline. (1.00 gal = 3.785 L)
(a) How many liters of gasoline does this tank hold?
(b) How many kilometers can the car travel on one tank if it gets 25 miles per gallon?
85) The mass of Mars, 6.40 × 1023 kg, is about one-tenth that of Earth, and its radius, 3395 km,
is about half that of Earth. What is the mean density (mass divided by volume) of Mars in
kilograms per cubic meter?
A) 9.76 × 102 kg/m3
B) 1.95 × 103 kg/m3
C) 3.90 × 103 kg/m3
D) 7.81 × 103 kg/m3
86) The average density of blood is 1.06 × 103 kg/m3. If you donate a pint of blood to the Red
Cross, how many grams of blood have you donated? (2.00 pt = 1.00 qt, 1.00 L = 1000 cm3, 1.00
qt = 0.947 L, and density is mass per unit volume.)
A) 502 g
B) 0.502 g
C) 5020 g
D) 5.02 × 105 g
E) 5.02 g
87) Concrete is sold by the cubic yard. What is the mass, in kilograms, of 1.00 cubic yard of
concrete that is 5.00 times as dense as water? (1.00 m = 1.094 yd, a cubic meter of water has a
mass of 1,000 kg, and density is mass per unit volume.)
A) 764 kg
B) 6550 kg
C) 2420 kg
D) 8730 kg
E) 3820 kg
88) A porch roof that slopes upward at 45° measures 3.0 m × 5.0 m. It is covered with a slab of
insulating material that is 2.0 cm thick. If the density of the insulation is 15 kg/m3, what is the
weight of the insulation, in pounds, on the roof? (1.00 kg weighs 2.2 lb and density is mass per
unit volume.)
A) 4.5 lb
B) 9.0 lb
C) 20 lb
D) 990 lb
E) 9.9 lb
89) Estimate how many pennies would you have to stack to reach from the floor to an average 8-
ft ceiling.
A) 2 × 103
B) 2 × 102
C) 2 × 104
D) 2 × 105
E) 2 x 106
90) Estimate the number of times the earth will rotate on its axis during a human’s lifetime.
A) 3 × 104
B) 3 × 105
C) 3 × 106
D) 3 × 107
E) 3 × 108
91) Estimate the thickness, in meters, of an ordinary sheet of paper.
A) 10-4 m
B) 10-5 m
C) 10-6 m
D) 10-7 m
E) 10-8 m
92) Which of the following is the most reasonable estimate of the number of characters (typed
letters or numbers) in a 609-page book? Assume an average of 194 words per page and a
reasonable average number of letters per word.
A) 5 × 105 char
B) 5 × 107 char
C) 5 × 106 char
D) 5 × 104 char
93) A marathon race is 26 mi and 385 yd long. Estimate how many strides would be required to
run a marathon. Assume a reasonable value for the average number of feet/stride.
A) 4.5 × 104 strides
B) 4.5 × 103 strides
C) 4.5 × 105 strides
D) 4.5 × 106 strides
94) Estimate the number of times an average person’s heart beats in a lifetime. Assume the
average heart rate is and a life span of 75 years.
A) 3 × 109 beats
B) 3 × 108 beats
C) 3 × 1010 beats
D) 3 × 107 beats