Question 1

What is 34 + (3)× (1.2465)written with the correct number of significant figures?

Accepted Answer

A)  37.7 
B)  37.74 
C)  4 × 101 
D)  38 
E)  37.7395 
A)  37.7 
B)  37.74 
C)  4 × 101 
D)  38 
E)  37.7395 D

Question 2

What is   to the proper number of significant figures?

Accepted Answer

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

Question 3

Convert 1.2 × 10-3 to decimal notation.

Accepted Answer

A)  1.200 
B)  0.1200 
C)  0.0120 
D)  0.0012 
E)  0.00012 
A)  1.200 
B)  0.1200 
C)  0.0120 
D)  0.0012 
E)  0.00012 D

Question 4

In addition to 1 m = 39.37 in.,the following exact conversion equivalents are given: 1 mile = 5280 ft,
1 ft = 12 in,1 hour = 60 min,and 1 min = 60 s. If a particle has a velocity of 8.4 miles per hour,its velocity,in m/s,is closest to

Accepted Answer

A)  3.8 m/s. 
B)  3.0 m/s. 
C)  3.4 m/s. 
D)  4.1 m/s. 
E)  4.5 m/s. 
A)  3.8 m/s. 
B)  3.0 m/s. 
C)  3.4 m/s. 
D)  4.1 m/s. 
E)  4.5 m/s.

Question 5

What is the difference between 103.5 and 102.24 written with the correct number of significant figures?

Accepted Answer

A)  1 
B)  1.3 
C)  1.26 
D)  1.260 
E)  1.2600 
A)  1 
B)  1.3 
C)  1.26 
D)  1.260 
E)  1.2600

Question 6

The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters.

Accepted Answer

A)  4 × 10-5 cm 
B)  4 × 10-7 cm 
C)  4 × 10-9 cm 
D)  4 × 10-11 cm 
E)  400 × 10-11 cm 
A)  4 × 10-5 cm 
B)  4 × 10-7 cm 
C)  4 × 10-9 cm 
D)  4 × 10-11 cm 
E)  400 × 10-11 cm

Question 7

If,in a parallel universe,π has the value 3.14149,express π in that universe to four significant figures.

Accepted Answer

A)  3.141 
B)  3.142 
C)  3.1415 
D)  3.1414 
A)  3.141 
B)  3.142 
C)  3.1415 
D)  3.1414

Question 8

What is the sum of 1123 and 10.3 written with the correct number of significant figures?

Accepted Answer

A)  1.13 × 103 
B)  1133.3000 
C)  1.1 × 103 
D)  1133.3 
E)  1133 
A)  1.13 × 103 
B)  1133.3000 
C)  1.1 × 103 
D)  1133.3 
E)  1133

Question 9

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 107 calculations per second?

Accepted Answer

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

Question 10

The current definition of the standard second of time is based on

Accepted Answer

A)  the frequency of radiation emitted by cesium atoms. 
B)  the earth's rotation rate. 
C)  the duration of one year. 
D)  the oscillation of a particular pendulum kept in France. 
A)  the frequency of radiation emitted by cesium atoms. 
B)  the earth's rotation rate. 
C)  the duration of one year. 
D)  the oscillation of a particular pendulum kept in France.

Question 11

Approximately how many times does an average human heart beat in a lifetime?

Accepted Answer

A)  3 × 1011 
B)  3 × 1010 
C)  3 × 109 
D)  3 × 108 
E)  3 × 107 
A)  3 × 1011 
B)  3 × 1010 
C)  3 × 109 
D)  3 × 108 
E)  3 × 107

Question 12

The following exact conversion equivalents are given: 1 m = 100 cm,1 in = 2.54 cm,and 1 ft = 12 in. If a computer screen has an area of 1.27 ft2,this area is closest to

Accepted Answer

A)  0.00284 m2. 
B)  0.0465 m2. 
C)  0.118 m2. 
D)  0.284 m2. 
E)  4.65 m2. 
A)  0.00284 m2. 
B)  0.0465 m2. 
C)  0.118 m2. 
D)  0.284 m2. 
E)  4.65 m2.

Question 13

What is 56 + (32.00)/(1.2465 + 3.45)written with the correct number of significant figures?

Accepted Answer

A)  62.8 
B)  62.812 
C)  62.81 
D)  63 
E)  62.8123846 
A)  62.8 
B)  62.812 
C)  62.81 
D)  63 
E)  62.8123846

Question 14

0)0001776 can also be expressed as

Accepted Answer

A)  1.776 × 10-3. 
B)  1.776 × 10-4. 
C)  17.72 × 104. 
D)  1772 × 105. 
E)  177.2 × 107. 
A)  1.776 × 10-3. 
B)  1.776 × 10-4. 
C)  17.72 × 104. 
D)  1772 × 105. 
E)  177.2 × 107.

Question 15

A weight lifter can bench press 171 kg.How many milligrams (mg)is this?

Accepted Answer

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

Question 16

What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?

Accepted Answer

A)  4.1656 × 10-1 
B)  4.166 × 10-1 
C)  4.17 × 10-1 
D)  4.2 × 10-1 
E)  4 × 10-1 
A)  4.1656 × 10-1 
B)  4.166 × 10-1 
C)  4.17 × 10-1 
D)  4.2 × 10-1 
E)  4 × 10-1

Question 17

Add 3685 g and 66.8 kg and express your answer in milligrams (mg).

Accepted Answer

A)  7.05 × 107 mg 
B)  7.05 × 104 mg 
C)  7.05 × 105 mg 
D)  7.05 × 106 mg 
A)  7.05 × 107 mg 
B)  7.05 × 104 mg 
C)  7.05 × 105 mg 
D)  7.05 × 106 mg

Question 18

Approximately how many times does an average human heart beat in a year?

Accepted Answer

A)  4 × 105 
B)  4 × 106 
C)  4 × 107 
D)  4 × 108 
E)  4 × 109 
A)  4 × 105 
B)  4 × 106 
C)  4 × 107 
D)  4 × 108 
E)  4 × 109

Question 19

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

Accepted Answer

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

Question 20

If a flower is 6.5 cm wide,its width expressed in millimeters is x mm,where x is

Accepted Answer

A)  less than 6.5. 
B)  greater than 6.5. 
A)  less than 6.5. 
B)  greater than 6.5.

Exam 1: Foundations

What is 34 + (3)× (1.2465)written with the correct number of significant figures?

What is to the proper number of significant figures?

Convert 1.2 × 10-3 to decimal notation.

In addition to 1 m = 39.37 in.,the following exact conversion equivalents are given: 1 mile = 5280 ft, 1 ft = 12 in,1 hour = 60 min,and 1 min = 60 s. If a particle has a velocity of 8.4 miles per hour,its velocity,in m/s,is closest to

What is the difference between 103.5 and 102.24 written with the correct number of significant figures?

The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters.

If,in a parallel universe,π has the value 3.14149,express π in that universe to four significant figures.

What is the sum of 1123 and 10.3 written with the correct number of significant figures?

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 107 calculations per second?

The current definition of the standard second of time is based on

Approximately how many times does an average human heart beat in a lifetime?

The following exact conversion equivalents are given: 1 m = 100 cm,1 in = 2.54 cm,and 1 ft = 12 in. If a computer screen has an area of 1.27 ft2,this area is closest to

What is 56 + (32.00)/(1.2465 + 3.45)written with the correct number of significant figures?

0)0001776 can also be expressed as

A weight lifter can bench press 171 kg.How many milligrams (mg)is this?

What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?

Add 3685 g and 66.8 kg and express your answer in milligrams (mg).

Approximately how many times does an average human heart beat in a year?

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

If a flower is 6.5 cm wide,its width expressed in millimeters is x mm,where x is

A: Foundations

Motion in One Dimension

Acceleration

Momentum

Energy

Principle of Relativity

Interactions

Force

Work

Motion in a Plane

Motion in a Circle

Torque

Gravity

Special Relativity

Periodic Motion

Waves in One Dimension

Waves in Two and Three Dimensions

Fluids

Entropy

Energy Transferred Thermally

Degradation of Energy

Electric Interactions

The Electric Field

Gausss Law

Work and Energy in Electrostatics

Charge Separation and Storage

Magnetic Interactions

Magnetic Fields of Charged Particles in Motion

Changing Magnetic Fields

Changing Electric Fields

Electric Circuits

Electronics

Ray Optics

Wave and Particle Optics

Filters

Convert 1.2 × 10^-3 to decimal notation.

How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 10⁷calculations per second?

The following exact conversion equivalents are given: 1 m = 100 cm,1 in = 2.54 cm,and 1 ft = 12 in. If a computer screen has an area of 1.27 ft²,this area is closest to

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