Question 1

Suppose a boat engine leaks 938 milliliters of oil into a lake.The mass of this spilled oil is 823 grams.The oil will not mix with the lake water.Which statement is true?

Accepted Answer

A)  The oil will sink because its density of 0.877 g/mL is greater than the density of water.
B)  The oil will float because its density of 0.877 g/mL is less than the density of water.
C)  The oil will sink because its density of 1.14 g/mL is greater than the density of water.
D)  The oil will float because its density of 1.14 g/mL is less than the density of water.
E)  none of the above B

Question 2

The correct multiplier for the prefix femto is:

Accepted Answer

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

Question 3

A solution map diagrams the steps required to get from the starting point to the end point of a calculation problem.

Accepted Answer

A) True 
 B)False  True

Question 4

How many significant digits should be reported in the answer to the following calculation?
(4.921)+ (16.2)=

Accepted Answer

A)  3
B)  2
C)  1
D)  4
E)  none of the above

Question 5

Trailing zeros at the end of a number,but before an implied decimal point,are ambiguous.

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 above

Question 7

How many significant digits are in the number 2903?

Accepted Answer

A)  2
B)  5
C)  4
D)  3
E)  none of the above

Question 8

Which term below is equivalent to one milliliter?

Accepted Answer

A)  1 cc
B)  1 mL
C)  1 cm3
D)  all of the above
E)  none of the above

Question 9

The number 7.20 × 103 contains three significant figures.

Accepted Answer

A) True 
 B)False

Question 10

Determine the answer for the equation below with correct number of significant figures:
1.2 × 1.79 = ________

Accepted Answer

A)  2.148
B)  2.15
C)  2.1
D)  2.2
E)  none of the above

Question 11

Suppose a perfectly symmetric metal rod of the element lead has a density of 11.4 g/cm3.If this rod is cut in half,the density of each piece is now 5.7 g/cm3.

Accepted Answer

A) True 
 B)False

Question 12

The decimal number 0.0210 expressed in scientific notation is 2.10 × 10-2.

Accepted Answer

A) True 
 B)False

Question 13

A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder.Suppose the following three liquids were placed in the same tall,narrow glass cylinder: 
These liquids would stack in which order?

Accepted Answer

A)  corn syrup on top,motor oil in the middle,vinegar on the bottom
B)  vinegar on top,motor oil in the middle,corn syrup on the bottom
C)  motor oil on top,corn syrup in the middle,vinegar on the bottom
D)  corn syrup on top,vinegar in the middle,motor oil on the bottom
E)  motor oil on top,vinegar in the middle,corn syrup on the bottom

Question 14

The correct prefix for the multiplier 0.000001 is:

Accepted Answer

A)  mega.
B)  milli.
C)  micro.
D)  nano.
E)  none of the above

Question 15

The Olympic Games shot put field event uses a 16 pound (lb)shot.Identify the correct solution map to convert from pounds to kilograms using prefix multipliers and the given conversions of 16 0z = 1 lb and
453.6 g = 16 oz.

Accepted Answer

A)  16 lb × × × 
B)  16 lb × × × 
C)  16 lb × × × 
D)  16 lb × × ×

Question 16

There are 1000 kilometers in one meter.

Accepted Answer

A) True 
 B)False

Question 17

A nine gigagram mass is heavier than a nine nanogram mass.

Accepted Answer

A) True 
 B)False

Question 18

The correct prefix for the multiplier 0.1 is:

Accepted Answer

A)  tera.
B)  deci.
C)  femto.
D)  pico.
E)  none of the above

Question 19

How many significant digits should be reported in the answer to the following calculation?
(4.3 - 3.7)× 12.3=

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  none of the above

Question 20

Which of the following would NOT be considered a correct conversion factor?

Accepted Answer

A)  1 dozen eggs = 12 eggs
B)  12 eggs = 1 dozen eggs
C)  1 pair of shoes = 1 shoe
D)  100 pennies = 1 dollar
E)  5 cents = 1 nickel

Exam 2: Measurement and Problem Solving

Suppose a boat engine leaks 938 milliliters of oil into a lake.The mass of this spilled oil is 823 grams.The oil will not mix with the lake water.Which statement is true?

The correct multiplier for the prefix femto is:

A solution map diagrams the steps required to get from the starting point to the end point of a calculation problem.

How many significant digits should be reported in the answer to the following calculation? (4.921) + (16.2) =

Trailing zeros at the end of a number,but before an implied decimal point,are ambiguous.

How many microliters are in 41.0 mL?

How many significant digits are in the number 2903?

Which term below is equivalent to one milliliter?

The number 7.20 × 10³ contains three significant figures.

Determine the answer for the equation below with correct number of significant figures: 1.2 × 1.79 = ________

Suppose a perfectly symmetric metal rod of the element lead has a density of 11.4 g/cm³.If this rod is cut in half,the density of each piece is now 5.7 g/cm³.

The decimal number 0.0210 expressed in scientific notation is 2.10 × 10^-².

A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder.Suppose the following three liquids were placed in the same tall,narrow glass cylinder: These liquids would stack in which order?

The correct prefix for the multiplier 0.000001 is:

The Olympic Games shot put field event uses a 16 pound (lb) shot.Identify the correct solution map to convert from pounds to kilograms using prefix multipliers and the given conversions of 16 0z = 1 lb and 453.6 g = 16 oz.

There are 1000 kilometers in one meter.

A nine gigagram mass is heavier than a nine nanogram mass.

The correct prefix for the multiplier 0.1 is:

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7) × 12.3=

Which of the following would NOT be considered a correct conversion factor?