Question 1

The calculator answer obtained from multiplying the measurements 64.49 and 6.57 is 423.70. Given the operational rules governing significant figures, this answer

Accepted Answer

A)  is correct as written 
B)  should be rounded to 423.7 
C)  should be rounded to 424 
D)  could be written as   
A)  is correct as written 
B)  should be rounded to 423.7 
C)  should be rounded to 424 
D)  could be written as

Question 2

Which of the following digits in the measurement 654,300 seconds is an estimated digit?

Accepted Answer

A)  the last digit 
B)  the next to last zero 
C)  the three 
D)  more than one correct response 
E)  no correct response 
A)  the last digit 
B)  the next to last zero 
C)  the three 
D)  more than one correct response 
E)  no correct response

Question 3

The correct answer obtained from adding the measurements 9.6, 4.79, and 5.352 contains

Accepted Answer

A)  two significant figures 
B)  three significant figures 
C)  four significant figures 
D)  five significant figures 
A)  two significant figures 
B)  three significant figures 
C)  four significant figures 
D)  five significant figures

Question 4

How many conversion factors can be derived from the equality 60 seconds = 1 minute?

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  an unlimited number 
A)  two 
B)  three 
C)  four 
D)  an unlimited number

The calculator answer obtained from multiplying the measurements 64.49 and 6.57 is 423.70. Given the operational rules governing significant figures, this answer

Which of the following digits in the measurement 654,300 seconds is an estimated digit?

The correct answer obtained from adding the measurements 9.6, 4.79, and 5.352 contains

How many conversion factors can be derived from the equality 60 seconds = 1 minute?

Basic Concepts About Matter

Atomic Structure and the Periodic Table

Chemical Bonding: the Ionic Bond Model

Chemical Bonding: the Covalent Bond Model

Chemical Calculations: Formula Masses, Moles, and Chemical Equations

Gases, Liquids, and Solids

Solutions

Chemical Reactions

Acids, Bases, and Salts

Nuclear Chemistry

Saturated Hydrocarbons

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids, Esters, and Other Acid Derivatives

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes and Vitamins

Nucleic Acids

Biochemical Energy Production

Carbohydrate Metabolism

Lipid Metabolism

Protein Metabolism

Filters

Exam 2: Measurements in Chemistry

The calculator answer obtained from multiplying the measurements 64.49 and 6.57 is 423.70. Given the operational rules governing significant figures, this answer

Which of the following digits in the measurement 654,300 seconds is an estimated digit?

The correct answer obtained from adding the measurements 9.6, 4.79, and 5.352 contains

How many conversion factors can be derived from the equality 60 seconds = 1 minute?

Basic Concepts About Matter

Atomic Structure and the Periodic Table

Chemical Bonding: the Ionic Bond Model

Chemical Bonding: the Covalent Bond Model

Chemical Calculations: Formula Masses, Moles, and Chemical Equations

Gases, Liquids, and Solids

Solutions

Chemical Reactions

Acids, Bases, and Salts

Nuclear Chemistry

Saturated Hydrocarbons

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids, Esters, and Other Acid Derivatives

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes and Vitamins

Nucleic Acids

Biochemical Energy Production

Carbohydrate Metabolism

Lipid Metabolism

Protein Metabolism

Filters