Question 1

The following conversion equivalents are given: 1.00 gal = 231 $i n ^ { 3 }$ 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

Accepted Answer

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.

Question 2

A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in.)

Accepted Answer

A)  60 m/s 
B)  20 m/s 
C)  30 km/h 
D)  120 m/s 
E)  30 m/s

Question 3

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.)

Accepted Answer

A)  202.8 cm2 
B)  637.1 cm2 
C)  203 cm2 
D)  319 cm2 
E)  637 cm2

Question 4

A typical ruby-throated hummingbird is 8 cm long. Express its length in millimeters and micrometers (µm).

Accepted Answer

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

Question 5

A dog has three puppies. Spot weighs 12 ounces. Rascal weighs 9.5 ounces. Socks weighs 10.2 ounces. What is the total weight of the litter expressed to the correct number of significant figures?

Accepted Answer

A)  31.7 ounces 
B)  31 ounces 
C)  32 ounces 
D)  30 ounces 
E)  31.70 ounces

Question 6

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

Accepted Answer

A)  27 
B)  26.6 
C)  26.23 
D)  26.627

Question 7

What is $\frac { 0.674 } { 0.74 }$ expressed to the correct number of significant figures?

Accepted Answer

A)  0.91 
B)  0.911 
C)  0.9108 
D)  0.9

Question 8

A person on a diet loses $1.6 \mathrm {~kg}$ in a week. How many micrograms per second (μg/s) are lost?

Accepted Answer

A)  2.6 × 103 μg/s 
B)  1.6 × 105 μg/s 
C)  44 μg/s 
D)  6.4 × 104 μg/s

Question 9

If a circle has a radius of 1.109 m, what is its area expressed to the correct number of significant figures?

Accepted Answer

A)  3.86 m2 
B)  3.863 m2 
C)  3.864 m2 
D)  3.8638 m2 
E)  3.86379 m2

Question 10

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area of the rectangle should be written as

Accepted Answer

A)  0.68 m2 
B)  0.682 m2 
C)  0.6818 m2 
D)  0.68175 m2

Question 11

What is 0.2052/3, to the correct number of significant figures?

Accepted Answer

A)  0.348 
B)  0.35 
C)  0.3 
D)  0.3477

Question 12

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?

Accepted Answer

The answer of There are 2.00 dry pints to 1.00...

Question 13

Which of the following speeds is greatest? (2.54 cm = 1.00 in.)

Accepted Answer

A)  10 km/h 
B)  10 m/s 
C)  10 ft/s 
D)  10 mi/h 
E)  10 yd/s

Question 14

Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms of accuracy and significant figures, what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

Accepted Answer

A)  12.9 g 
B)  12.95 g 
C)  13 g 
D)  13.0 g

Question 15

What is $\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }$ expressed to the correct number of significant figures?

Accepted Answer

The answer of What is \(\sqrt { \frac { 4.302...

Question 16

In the product A ∙ B ∙ C, A has 5 significant figures, B has 2 significant figures, and C has 3 significant figures. How many significant figures does the product have?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  10

Question 17

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

Accepted Answer

A)  3 × 104 
B)  3 × 105 
C)  3 × 106 
D)  3 × 107 
E)  3 × 108

Question 18

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)

Accepted Answer

The answer of In a country where the unit of...

Question 19

A weight lifter can bench press $171 \mathrm {~kg} .$ How many milligrams is this?

Accepted Answer

A)  1.71 × 108 mg 
B)  1.71 × 109 mg 
C)  1.71 × 107 mg 
D)  1.71 × 106 mg

Question 20

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ calculations per second?

Accepted Answer

A)  15 ns 
B)  67 ns 
C)  11 ns 
D)  65 ns

Exam 1: Representing Motion

The following conversion equivalents are given: 1.00 gal = 231 $i n ^ { 3 }$ 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 speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in.)

A typical ruby-throated hummingbird is 8 cm long. Express its length in millimeters and micrometers (µm) .

A dog has three puppies. Spot weighs 12 ounces. Rascal weighs 9.5 ounces. Socks weighs 10.2 ounces. What is the total weight of the litter expressed to the correct number of significant figures?

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

What is $\frac { 0.674 } { 0.74 }$ expressed to the correct number of significant figures?

A person on a diet loses $1.6 \mathrm {~kg}$ in a week. How many micrograms per second (μg/s) are lost?

If a circle has a radius of 1.109 m, what is its area expressed to the correct number of significant figures?

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area of the rectangle should be written as

What is 0.205^2/3, to the correct number of significant figures?

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?

Which of the following speeds is greatest? (2.54 cm = 1.00 in.)

Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms of accuracy and significant figures, what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

What is $\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }$ expressed to the correct number of significant figures?

In the product A ∙ B ∙ C, A has 5 significant figures, B has 2 significant figures, and C has 3 significant figures. How many significant figures does the product have?

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

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)

A weight lifter can bench press $171 \mathrm {~kg} .$ How many milligrams is this?

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ calculations per second?

Exam 1: Representing Motion

The following conversion equivalents are given: 1.00 gal = 231 in3i n ^ { 3 }in3 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 speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in.)

A typical ruby-throated hummingbird is 8 cm long. Express its length in millimeters and micrometers (µm) .

A dog has three puppies. Spot weighs 12 ounces. Rascal weighs 9.5 ounces. Socks weighs 10.2 ounces. What is the total weight of the litter expressed to the correct number of significant figures?

What is the product of 12.56 and 2.12 expressed to the correct number of significant figures?

What is 0.6740.74\frac { 0.674 } { 0.74 }0.740.674​ expressed to the correct number of significant figures?

A person on a diet loses 1.6 kg1.6 \mathrm {~kg}1.6 kg in a week. How many micrograms per second (μg/s) are lost?

If a circle has a radius of 1.109 m, what is its area expressed to the correct number of significant figures?

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area of the rectangle should be written as

What is 0.2052/3, to the correct number of significant figures?

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?

Which of the following speeds is greatest? (2.54 cm = 1.00 in.)

Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms of accuracy and significant figures, what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

What is 4.302(15.6−1.2)22.1+19.4\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }22.1+19.44.302(15.6−1.2)​​ expressed to the correct number of significant figures?

In the product A ∙ B ∙ C, A has 5 significant figures, B has 2 significant figures, and C has 3 significant figures. How many significant figures does the product have?

Estimate the number of times the earth will rotate on its axis during a human's lifetime.

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)

A weight lifter can bench press 171 kg.171 \mathrm {~kg} .171 kg. How many milligrams is this?

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7×1076.7 \times 10 ^ { 7 }6.7×107 calculations per second?

The following conversion equivalents are given: 1.00 gal = 231 $i n ^ { 3 }$ 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

What is $\frac { 0.674 } { 0.74 }$ expressed to the correct number of significant figures?

A person on a diet loses $1.6 \mathrm {~kg}$ in a week. How many micrograms per second (μg/s) are lost?

What is 0.205^2/3, to the correct number of significant figures?

What is $\sqrt { \frac { 4.302 ( 15.6 - 1.2 ) } { 22.1 + 19.4 } }$ expressed to the correct number of significant figures?

A weight lifter can bench press $171 \mathrm {~kg} .$ How many milligrams is this?

How many nanoseconds does it take for a computer to perform one calculation if it performs $6.7 \times 10 ^ { 7 }$ calculations per second?