Tro IC3

1. 4.59 x 104

2. 0.459 x 103

3. 4.59 x 10–3

4. 4.59 x 10–4

5. 4.59 x 10–5

2.1 Convert 0.000459 to scientific notation?

Tro IC3

1. 4.59 x 104

2. 0.459 x 103

3. 4.59 x 10–3

4. 4.59 x 10–4

5. 4.59 x 10–5

2.1 Convert 0.000459 to scientific notation?

Tro IC3

1. 5.43 kL

2. 5.43 mL

3. 5.43 µL

4. 5.43 nL

5. 5.43 pL

2.2 The number 5.43 x 10–6 L can also be written as:

Tro IC3

1. 5.43 kL

2. 5.43 mL

3. 5.43 µL

4. 5.43 nL

5. 5.43 pL

2.2 The number 5.43 x 10–6 L can also be written as:

Tro IC3

1. 3.232. 32.33. 323 4. 0.003235. 3230

2.3 Convert 3.23 x 103 to decimal notation.

Tro IC3

1. 3.232. 32.33. 323 4. 0.003235. 3230

2.3 Convert 3.23 x 103 to decimal notation.

Tro IC3

1. 1.50 x 1015 2. 1.51 x 1015

3. 1.505 x 1015

4. 2.43 x 10–2

5. 1.51 x 103

2.4 What is the result of the following division expressed in scientific notation and with the correct number of significant figures:(6.05 x 106) ÷ (4.020 x 10–9)?

Tro IC3

1. 1.50 x 1015 2. 1.51 x 1015

3. 1.505 x 1015

4. 2.43 x 10–2

5. 1.51 x 103

2.4 What is the result of the following division expressed in scientific notation and with the correct number of significant figures:(6.05 x 106) ÷ (4.020 x 10–9)?

Tro IC3

1. 2.08 x 10–3

2. 1.764 x 1016

3. 1.76 x 1016

4. 1.76 x 10–16

5. 1.764 x 10–16

2.5 What is the result of the following application expressed in scientific notation and with the correct number of significant figures:(6.051 x 106) ÷ (4.020 x 10–9) x (9.89 + 1.832)?

Tro IC3

1. 2.08 x 10–3

2. 1.764 x 1016

3. 1.76 x 1016

4. 1.76 x 10–16

5. 1.764 x 10–16

2.5 What is the result of the following application expressed in scientific notation and with the correct number of significant figures:(6.051 x 106) ÷ (4.020 x 10–9) x (9.89 + 1.832)?

Tro IC3

1. 9.6 2. 9.58 3. 9.581 4. 30.725. 10.

2.6 What is the result of the following subtraction expressed with the correct number of significant figures: 20.15 – 10.569?

Tro IC3

1. 9.6 2. 9.58 3. 9.581 4. 30.725. 10.

2.6 What is the result of the following subtraction expressed with the correct number of significant figures: 20.15 – 10.569?

Tro IC3

1. 0.00450 mL2. 4.51 mL3. 0.451 mL4. 45.1 mL5. 45100 mL

2.7 How many mL are 45.1 cm3?

Tro IC3

1. 0.00450 mL2. 4.51 mL3. 0.451 mL4. 45.1 mL5. 45100 mL

2.7 How many mL are 45.1 cm3?

Tro IC3

1. 1.5 x 103 cm3

2. 1.500 cm3

3. 1.5 x 10–3 cm3

4. 1.500 x 103 cm3

5. 1.500 x 10–3 cm3

2.8 Convert 1.500 L to cm3.

Tro IC3

1. 1.5 x 103 cm3

2. 1.500 cm3

3. 1.5 x 10–3 cm3

4. 1.500 x 103 cm3

5. 1.500 x 10–3 cm3

2.8 Convert 1.500 L to cm3.

Tro IC3

1. Number and unit 2. Decimal and exponential3. Decimal and unit 4. Exponent and exponential

2.9 What are the two parts of a number written in scientific notation?

Tro IC3

1. Number and unit 2. Decimal and exponential3. Decimal and unit 4. Exponent and exponential

2.9 What are the two parts of a number written in scientific notation?

Tro IC3

1. To confuse students 2. To write very large numbers simply 3. To write very small numbers simply 4. All of the above5. Two of the above

2.10 Why do scientists use scientific notation?

Tro IC3

1. To confuse students 2. To write very large numbers simply 3. To write very small numbers simply 4. All of the above5. Two of the above

2.10 Why do scientists use scientific notation?

Tro IC3

1. 98 2. 98.6 3. 6 4. 85. 9

2.11 Which digit(s) is/are certain in the measurement of 98.6 °F

Tro IC3

1. 98 2. 98.6 3. 6 4. 85. 9

2.11 Which digit(s) is/are certain in the measurement of 98.6 °F

Tro IC3

1. 3 2. 5 3. 6 4. 85. 9

2.12 How many significant figures are in 0.00500670?

Tro IC3

1. 3 2. 5 3. 6 4. 85. 9

2.12 How many significant figures are in 0.00500670?

Tro IC3

1. km, kg, s, K2. m, g, s, °C 3. m, g, s, K4. m, kg, s, °C5. m, kg, s, K

2.13 What are the fundamental SI units of length, mass, time, and temperature, respectively?

Tro IC3

1. km, kg, s, K2. m, g, s, °C 3. m, g, s, K4. m, kg, s, °C5. m, kg, s, K

2.13 What are the fundamental SI units of length, mass, time, and temperature, respectively?

Tro IC3

1. c 2. n 3. p 4. m5. μ

2.14 What is the metric system prefix for the factor 10–9?

Tro IC3

1. c 2. n 3. p 4. m5. μ

2.14 What is the metric system prefix for the factor 10–9?

Tro IC3

1. 4.72 x 103 cm2

2. 3.46 x 103 cm2

3. 2.23 x 107 cm2

4. 1.44 x 105 cm2

5. 1.67 x 10–1 cm2

2.15 Convert 155 ft2 to square centimeters?

Tro IC3

1. 4.72 x 103 cm2

2. 3.46 x 103 cm2

3. 2.23 x 107 cm2

4. 1.44 x 105 cm2

5. 1.67 x 10–1 cm2

2.15 Convert 155 ft2 to square centimeters?

Tro IC3

1. 229 g2. 0.567 g3. 1.76 g4. 11.4 g5. 2.30 x 10–2 g

2.16 What is the mass of lead, which has a density of 11.4 g/mL and displaces 20.1 mL of water?

Tro IC3

1. 229 g2. 0.567 g3. 1.76 g4. 11.4 g5. 2.30 x 10–2 g

2.16 What is the mass of lead, which has a density of 11.4 g/mL and displaces 20.1 mL of water?

Tro IC3

1. Copper 2. Lead 3. Gold 4. Aluminum5. Platinum

2.17 What is the identity of an unknown object that has a mass of 1.08 kg and displaces 50.5 cm3 of water (see Table 2.4)?

Tro IC3

1. Copper 2. Lead 3. Gold 4. Aluminum5. Platinum

2.17 What is the identity of an unknown object that has a mass of 1.08 kg and displaces 50.5 cm3 of water (see Table 2.4)?

Tro IC3

1. 1.500 L2. 1.500 x 1012 L3. 1.500 x 109 L4. 1.500 x 102 L5. 1.500 x 10–2 L

2.18 Convert 1.500 km3 to liters.

Tro IC3

1. 1.500 L2. 1.500 x 1012 L3. 1.500 x 109 L4. 1.500 x 102 L5. 1.500 x 10–2 L

2.18 Convert 1.500 km3 to liters.

Tro IC3

1. g/L 2. kg/L 3. g/mL 4. cm3/mL5. g/m3

2.19 Which of the following is a frequently used unit for the density of liquids and solids?

Tro IC3

1. g/L 2. kg/L 3. g/mL 4. cm3/mL5. g/m3

2.19 Which of the following is a frequently used unit for the density of liquids and solids?

Tro IC3

1. It is less than one.2. It is less than 6.022. 3. It is equal to zero.4. It is greater than 1.5. There is not enough information given for an

answer.

2.20 What does the positive exponent tell you about the size of the number 6.022 X 1023?

Tro IC3

1. It is less than one.2. It is less than 6.022. 3. It is equal to zero.4. It is greater than 1.5. There is not enough information given for an

answer.

2.20 What does the positive exponent tell you about the size of the number 6.022 X 1023?

Tro IC3

1. 100 mi/hr 2. 161 mi/hr3. 55.5 mi/hr4. 75.2 mi/hr5. 62.1 mi/hr

2.21 In Australia, the highway speed limit is posted at 100 km/hr. What is this in mi/hr? (Note: 1 mi = 5280 ft and 0.6214 mi = 1 km.)

Tro IC3

1. 100 mi/hr 2. 161 mi/hr3. 55.5 mi/hr4. 75.2 mi/hr5. 62.1 mi/hr

2.21 In Australia, the highway speed limit is posted at 100 km/hr. What is this in mi/hr? (Note: 1 mi = 5280 ft and 0.6214 mi = 1 km.)

Tro IC3

1. 15 mi/gal2. 30 mi/gal3. 35 mi/gal4. 42 mi/gal5. 55 mi/gal

2.22 The gas mileage of a compact car in Europe is 15 km/L. How many miles per gallon would this vehicle obtain in the U.S.? (Note: 1 U.S. gal = 3.785 L and 1 km = 0.6214 mi.)

Tro IC3

1. 15 mi/gal2. 30 mi/gal3. 35 mi/gal4. 42 mi/gal5. 55 mi/gal

2.22 The gas mileage of a compact car in Europe is 15 km/L. How many miles per gallon would this vehicle obtain in the U.S.? (Note: 1 U.S. gal = 3.785 L and 1 km = 0.6214 mi.)

Tro IC3

1. $0.262 2. $1.01 3. $1.554. $2.335. $3.07

2.23 While driving in Australia, you fill your car with 55 L of gas costing $44.55 (Australian). What is the equivalent cost per gallon in U.S. dollars? (Note: 1 U.S. gal = 3.785 L and $1 Australian = $0.7597 U.S. at the time this problem was written.)

Tro IC3

1. $0.262 2. $1.01 3. $1.554. $2.335. $3.07

2.23 While driving in Australia, you fill your car with 55 L of gas costing $44.55 (Australian). What is the equivalent cost per gallon in U.S. dollars? (Note: 1 U.S. gal = 3.785 L and $1 Australian = $0.7597 U.S. at the time this problem was written.)

Tro IC3

1. The number and the unit 2. The number and the exponent 3. The number and the decimal4. The decimal and exponent

2.24 What are the two important parts of ameasurement?

Tro IC3

1. The number and the unit 2. The number and the exponent 3. The number and the decimal4. The decimal and exponent

2.24 What are the two important parts of ameasurement?

Tro IC3

1. Always with two decimal places 2. At the bottom of the meniscus 3. With all the digits from the glassware

markings plus one estimated digit4. All of the above5. Two of the above

2.25 When recording a volume measurement using a student type 25 mL buret, how should you read the volume?

Tro IC3

1. Always with two decimal places 2. At the bottom of the meniscus 3. With all the digits from the glassware

markings plus one estimated digit4. All of the above5. Two of the above

2.25 When recording a volume measurement using a student type 25 mL buret, how should you read the volume?