Question 1

Given the following list of densities,which materials would float in a molten vat of lead provided that they do not themselves melt? Densities (g/mL) : lead = 11.4,glass = 2.6,gold = 19.3,charcoal = 0.57,platinum = 21.4.

Accepted Answer

A)  gold and platinum
B)  glass and charcoal
C)  gold,platinum,glass and coal
D)  gold and charcoal
E)  none of the aboveF) A) and D)
G) A) and C)

Question 2

The correct prefix for the multiplier 0.1 is:

Accepted Answer

A)  tera.
B)  deci.
C)  femto.
D)  pico.
E)  none of the aboveF) A) and E)
G) C) and E)

Question 3

The correct multiplier for the prefix femto is:

Accepted Answer

A)  10-15
B)  10-12
C)  1012
D)  109
E)  none of the aboveF) All of the above
G) C) and D)

Question 4

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.F) A) and C)
G) C) and D)

Question 5

Exact numbers have an unlimited number of significant figures.

Accepted Answer

A) True 
 B)False

Question 6

How many microliters are in 41.0 mL?

Accepted Answer

A)  4.1 × 103
B)  4.1 × 1010
C)  0.041
D)  4.10 × 104
E)  none of the aboveF) C) and D)
G) B) and D)

Question 7

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

Accepted Answer

A)  mega.
B)  milli.
C)  micro.
D)  nano.
E)  none of the aboveF) A) and D)
G) B) and C)

Question 8

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 9

A 12-oz can of soda pop costs eighty-nine cents.A 2.00 L bottle of the same variety of soda pop costs $2.29.How many times more expensive it is to buy the 12-oz can of pop compared to buying it in a 2.00 L bottle? (1.00 L = 1.057 quart and 1 quart contains 32 oz)

Accepted Answer

A)  1.9
B)  2.2
C)  2.6
D)  2.8
E)  4.2F) B) and C)
G) A) and B)

Question 10

The mass of an object,4.55 ×  
g,expressed in decimal notation is 0.000455 g.

Accepted Answer

A) True 
 B)False

Question 11

How many significant figures should be reported in the answer to the following calculation?
(43.980) × (19.0023 + 25) =

Accepted Answer

A)  3
B)  2
C)  4
D)  1
E)  none of the aboveF) A) and E)
G) A) and C)

Exam 2: Measurement and Problem Solving

The mass of an object,4.55 × g,expressed in decimal notation is 0.000455 g.

Correct Answer
verified

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

Correct Answer
verified

The correct prefix for the multiplier 0.1 is:

Correct Answer
verified

How many microliters are in 41.0 mL?

Correct Answer
verified

The correct multiplier for the prefix femto is:

Correct Answer
verified

In the number 48.93,which digit is estimated?

Correct Answer
verified

How many significant figures should be reported in the answer to the following calculation? (43.980) × (19.0023 + 25) =

Correct Answer
verified

Exact numbers have an unlimited number of significant figures.

Correct Answer
verified

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

Correct Answer
verified

Given the following list of densities,which materials would float in a molten vat of lead provided that they do not themselves melt? Densities (g/mL) : lead = 11.4,glass = 2.6,gold = 19.3,charcoal = 0.57,platinum = 21.4.

Correct Answer
verified

A 12-oz can of soda pop costs eighty-nine cents.A 2.00 L bottle of the same variety of soda pop costs $2.29.How many times more expensive it is to buy the 12-oz can of pop compared to buying it in a 2.00 L bottle? (1.00 L = 1.057 quart and 1 quart contains 32 oz)

Correct Answer
verified

Exam 2: Measurement and Problem Solving

The mass of an object,4.55 × g,expressed in decimal notation is 0.000455 g.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The correct prefix for the multiplier 0.1 is:

Correct AnswerverifiedShow Answer

How many microliters are in 41.0 mL?

Correct AnswerverifiedShow Answer

The correct multiplier for the prefix femto is:

Correct AnswerverifiedShow Answer

In the number 48.93,which digit is estimated?

Correct AnswerverifiedShow Answer

How many significant figures should be reported in the answer to the following calculation? (43.980) × (19.0023 + 25) =

Correct AnswerverifiedShow Answer

Exact numbers have an unlimited number of significant figures.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Given the following list of densities,which materials would float in a molten vat of lead provided that they do not themselves melt? Densities (g/mL) : lead = 11.4,glass = 2.6,gold = 19.3,charcoal = 0.57,platinum = 21.4.

Correct AnswerverifiedShow Answer

A 12-oz can of soda pop costs eighty-nine cents.A 2.00 L bottle of the same variety of soda pop costs $2.29.How many times more expensive it is to buy the 12-oz can of pop compared to buying it in a 2.00 L bottle? (1.00 L = 1.057 quart and 1 quart contains 32 oz)

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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