Question 1

How would the number 8,155 be written in scientific notation?

Accepted Answer

A) 8.155 × 103 
B) 8.155 × 10-1 
C) 8.155 × 101 
D) 8.155 × 10-3 
E) none of the above 
A) 8.155 × 103 
B) 8.155 × 10-1 
C) 8.155 × 101 
D) 8.155 × 10-3 
E) none of the above

Question 2

In multiplication or division calculations,the answer will have the same number of decimal places as the number carrying the most decimal places.

Accepted Answer

A) True 
 B)False

Question 3

When the temperature of an object is reported as 23.7°C,the actual temperature can be assumed to be between 23.6°C and 23.8°C.

Accepted Answer

A) True 
 B)False

Question 4

If you count 7 pennies,you can only report one significant figure in that measurement.

Accepted Answer

A) True 
 B)False

Question 5

In multiplication and division calculations,the answer will have the same number of decimal places as the number carrying the fewest decimal places.

Accepted Answer

A) True 
 B)False

Question 6

The correct prefix for the multiplier 1,000,000,000 is:

Accepted Answer

A) mega. 
B) milli. 
C) tera. 
D) giga. 
E) none of the above 
A) mega. 
B) milli. 
C) tera. 
D) giga. 
E) none of the above

Question 7

Determine the answer to the following equation with correct number of significant figures:
2.02 + 8.102 - 0.0297 = ________

Accepted Answer

A) 10.0923 
B) 10.09 
C) 10.1 
D) 10.092 
E) none of the above 
A) 10.0923 
B) 10.09 
C) 10.1 
D) 10.092 
E) none of the above

Question 8

How many low dose 81 mg aspirin tablets can be made from 1.21 kg of aspirin?

Accepted Answer

A) 1.5 × 103 tablets 
B) 1.5 × 104 tablets 
C) 1.5 × 105 tablets 
D) 1.21 × 103 tablets 
E) 1.21 × 104 tablets 
A) 1.5 × 103 tablets 
B) 1.5 × 104 tablets 
C) 1.5 × 105 tablets 
D) 1.21 × 103 tablets 
E) 1.21 × 104 tablets

Question 9

The correct number of significant figures in the number 1.250100 is:

Accepted Answer

A) 5 
B) 7 
C) 4 
D) ambiguous 
E) none of the above 
A) 5 
B) 7 
C) 4 
D) ambiguous 
E) none of the above

Question 10

How many milliliters are in 17.5 L?

Accepted Answer

A) 175 
B) 1.75 × 10-2 
C) 1.75 × 103 
D) 1.75 × 104 
E) none of the above 
A) 175 
B) 1.75 × 10-2 
C) 1.75 × 103 
D) 1.75 × 104 
E) none of the above

Question 11

The distance between the two hydrogen atoms in a molecule of water is 0.000000000172 m.Express this distance in scientific notation.

Accepted Answer

A) 1.72 ×10-9 m 
B) 1.72 × 10-10 m 
C) 0.172 × 10-10 m 
D) 17.2 × 109 m 
E) 1.72 × 1010 m 
A) 1.72 ×10-9 m 
B) 1.72 × 10-10 m 
C) 0.172 × 10-10 m 
D) 17.2 × 109 m 
E) 1.72 × 1010 m

Question 12

The correct number of significant figures in the number 865,000 is:

Accepted Answer

A) 3 
B) 6 
C) 4 
D) ambiguous 
E) none of the above 
A) 3 
B) 6 
C) 4 
D) ambiguous 
E) none of the above

Question 13

In the number 48.93,which digit is estimated?

Accepted Answer

A) 4 
B) 8 
C) 9 
D) 3 
E) None of the above,all digits are certain. 
A) 4 
B) 8 
C) 9 
D) 3 
E) None of the above,all digits are certain.

Question 14

What is the standard SI unit for mass?

Accepted Answer

A) kilogram 
B) gram 
C) pound 
D) ton 
E) none of the above 
A) kilogram 
B) gram 
C) pound 
D) ton 
E) none of the above

Question 15

The distance from New York City to Washington,DC is approximately 235 miles.Identify the correct solution map to convert from miles to kilometers using the prefix multipliers and the given conversion factors: 1 mile = 5280 ft;1 ft = 12 in;1 in = 2.54 cm.

Accepted Answer

A) 235 mile ×  
×
  
×
  
×
  
×
   
B) 235 mile ×  
×
  
×
  
×
  
×
   
C) 235 mile ×  
×
  
×
  
×
  
×
   
D) 235 mile ×  
×
  
×
  
×
   
E) 235 mile ×  
×
  
×
  
×
   
A) 235 mile ×  
×
  
×
  
×
  
×
   
B) 235 mile ×  
×
  
×
  
×
  
×
   
C) 235 mile ×  
×
  
×
  
×
  
×
   
D) 235 mile ×  
×
  
×
  
×
   
E) 235 mile ×  
×
  
×
  
×

Question 16

A solution map is the section near the back of the textbook that provides the answers to assigned problems.

Accepted Answer

A) True 
 B)False

Question 17

The standard SI unit for temperature is:

Accepted Answer

A) Fahrenheit. 
B) Kelvin. 
C) Celsius. 
D) atmospheres. 
E) none of the above. 
A) Fahrenheit. 
B) Kelvin. 
C) Celsius. 
D) atmospheres. 
E) none of the above.

Question 18

The number 4,450,000.0 has 3 significant figures.

Accepted Answer

A) True 
 B)False

Question 19

Determine the answer to the following equation with correct number of significant figures:
13.96 - 4.9102 + 71.5 = ________

Accepted Answer

A) 80.5498 
B) 81 
C) 80.5 
D) 80.55 
E) none of the above 
A) 80.5498 
B) 81 
C) 80.5 
D) 80.55 
E) none of the above

Question 20

Which of the following statements is NOT part of the rules for determining significant figures?

Accepted Answer

A) Non-zero digits at the end of a number are not significant. 
B) Zeroes between two numbers are significant. 
C) Zeroes to the left of the first non-zero number are not significant. 
D) Zeroes at the end of a number,but before a decimal are ambiguous. 
E) All of the above statements are part of the rules. 
A) Non-zero digits at the end of a number are not significant. 
B) Zeroes between two numbers are significant. 
C) Zeroes to the left of the first non-zero number are not significant. 
D) Zeroes at the end of a number,but before a decimal are ambiguous. 
E) All of the above statements are part of the rules.

How would the number 8,155 be written in scientific notation?

In multiplication or division calculations,the answer will have the same number of decimal places as the number carrying the most decimal places.

When the temperature of an object is reported as 23.7°C,the actual temperature can be assumed to be between 23.6°C and 23.8°C.

If you count 7 pennies,you can only report one significant figure in that measurement.

In multiplication and division calculations,the answer will have the same number of decimal places as the number carrying the fewest decimal places.

The correct prefix for the multiplier 1,000,000,000 is:

Determine the answer to the following equation with correct number of significant figures: 2.02 + 8.102 - 0.0297 = ________

How many low dose 81 mg aspirin tablets can be made from 1.21 kg of aspirin?

The correct number of significant figures in the number 1.250100 is:

How many milliliters are in 17.5 L?

The distance between the two hydrogen atoms in a molecule of water is 0.000000000172 m.Express this distance in scientific notation.

The correct number of significant figures in the number 865,000 is:

In the number 48.93,which digit is estimated?

What is the standard SI unit for mass?

The distance from New York City to Washington,DC is approximately 235 miles.Identify the correct solution map to convert from miles to kilometers using the prefix multipliers and the given conversion factors: 1 mile = 5280 ft;1 ft = 12 in;1 in = 2.54 cm.

A solution map is the section near the back of the textbook that provides the answers to assigned problems.

The standard SI unit for temperature is:

The number 4,450,000.0 has 3 significant figures.

Determine the answer to the following equation with correct number of significant figures: 13.96 - 4.9102 + 71.5 = ________

Which of the following statements is NOT part of the rules for determining significant figures?

The Chemical World

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids,solids,and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

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Exam 2: Measurement and Problem Solving

How would the number 8,155 be written in scientific notation?

In multiplication or division calculations,the answer will have the same number of decimal places as the number carrying the most decimal places.

When the temperature of an object is reported as 23.7°C,the actual temperature can be assumed to be between 23.6°C and 23.8°C.

If you count 7 pennies,you can only report one significant figure in that measurement.

In multiplication and division calculations,the answer will have the same number of decimal places as the number carrying the fewest decimal places.

The correct prefix for the multiplier 1,000,000,000 is:

Determine the answer to the following equation with correct number of significant figures: 2.02 + 8.102 - 0.0297 = ________

How many low dose 81 mg aspirin tablets can be made from 1.21 kg of aspirin?

The correct number of significant figures in the number 1.250100 is:

How many milliliters are in 17.5 L?

The distance between the two hydrogen atoms in a molecule of water is 0.000000000172 m.Express this distance in scientific notation.

The correct number of significant figures in the number 865,000 is:

In the number 48.93,which digit is estimated?

What is the standard SI unit for mass?

The distance from New York City to Washington,DC is approximately 235 miles.Identify the correct solution map to convert from miles to kilometers using the prefix multipliers and the given conversion factors: 1 mile = 5280 ft;1 ft = 12 in;1 in = 2.54 cm.

A solution map is the section near the back of the textbook that provides the answers to assigned problems.

The standard SI unit for temperature is:

The number 4,450,000.0 has 3 significant figures.

Determine the answer to the following equation with correct number of significant figures: 13.96 - 4.9102 + 71.5 = ________

Which of the following statements is NOT part of the rules for determining significant figures?

The Chemical World

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids,solids,and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters