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Convert 0.000459 to scientific notation?PowerPoint Presentation

Convert 0.000459 to scientific notation?

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Convert 0.000459 to scientific notation?

2.1

4.59 x 104

0.459 x 103

4.59 x 10–3

4.59 x 10–4

4.59 x 10–5

Convert 0.000459 to scientific notation?

2.1

4.59 x 104

0.459 x 103

4.59 x 10–3

4.59 x 10–4

4.59 x 10–5

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)?

2.4

1.50 x 1015

1.51 x 1015

1.505 x 1015

2.43 x 10–2

1.51 x 103

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)?

2.4

1.50 x 1015

1.51 x 1015

1.505 x 1015

2.43 x 10–2

1.51 x 103

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)?

2.5

2.08 x 10–3

1.764 x 1016

1.76 x 1016

1.76 x 10–16

1.764 x 10–16

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)?

2.5

2.08 x 10–3

1.764 x 1016

1.76 x 1016

1.76 x 10–16

1.764 x 10–16

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

2.6

9.6

9.58

9.581

30.72

10.

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

2.6

9.6

9.58

9.581

30.72

10.

How many mL are 45.1 cm with the correct number of significant figures: 20.15 – 10.569?3?

2.7

0.00450 mL

4.51 mL

0.451 mL

45.1 mL

45100 mL

How many mL are 45.1 cm with the correct number of significant figures: 20.15 – 10.569?3?

2.7

0.00450 mL

4.51 mL

0.451 mL

45.1 mL

45100 mL

Convert 1.500 L to cm with the correct number of significant figures: 20.15 – 10.569?3.

2.8

1.5 x 103cm3

1.500 cm3

1.5 x 10–3 cm3

1.500 x 103 cm3

1.500 x 10–3 cm3

Convert 1.500 L to cm with the correct number of significant figures: 20.15 – 10.569?3.

2.8

1.5 x 103cm3

1.500 cm3

1.5 x 10–3 cm3

1.500 x 103 cm3

1.500 x 10–3 cm3

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

2.9

Number and unit

Decimal and exponential

Decimal and unit

Exponent and exponential

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

2.9

Number and unit

Decimal and exponential

Decimal and unit

Exponent and exponential

Why do scientists use scientific notation? notation?

2.10

To confuse students

To write very large numbers simply

To write very small numbers simply

All of the above

Two of the above

Why do scientists use scientific notation? notation?

2.10

To confuse students

To write very large numbers simply

To write very small numbers simply

All of the above

Two of the above

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

2.13

km, kg, s, K

m, g, s, °C

m, g, s, K

m, kg, s, °C

m, kg, s, K

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

2.13

km, kg, s, K

m, g, s, °C

m, g, s, K

m, kg, s, °C

m, kg, s, K

Convert 155 ft temperature, respectively?2 to square centimeters?

2.15

4.72 x 103 cm2

3.46 x 103 cm2

2.23 x 107 cm2

1.44 x 105 cm2

1.67 x 10–1 cm2

Convert 155 ft temperature, respectively?2 to square centimeters?

2.15

4.72 x 103 cm2

3.46 x 103 cm2

2.23 x 107 cm2

1.44 x 105 cm2

1.67 x 10–1 cm2

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

2.16

229 g

0.567 g

1.76 g

11.4 g

2.30 x 10–2 g

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

2.16

229 g

0.567 g

1.76 g

11.4 g

2.30 x 10–2 g

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)?

2.17

Copper

Lead

Gold

Aluminum

Platinum

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)?

2.17

Copper

Lead

Gold

Aluminum

Platinum

Convert 1.500 km 1.08 kg and displaces 50.5 cm3 to liters.

2.18

1.500 L

1.500 x 1012 L

1.500 x 109 L

1.500 x 102L

1.500 x 10–2L

Convert 1.500 km 1.08 kg and displaces 50.5 cm3 to liters.

2.18

1.500 L

1.500 x 1012 L

1.500 x 109 L

1.500 x 102L

1.500 x 10–2L

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

2.19

g/L

kg/L

g/mL

cm3/mL

g/m3

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

2.19

g/L

kg/L

g/mL

cm3/mL

g/m3

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

2.20

It is less than one.

It is less than 6.022.

It is equal to zero.

It is greater than 1.

There is not enough information given for an answer.

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

2.20

It is less than one.

It is less than 6.022.

It is equal to zero.

It is greater than 1.

There is not enough information given for an answer.

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.)

2.21

100 mi/hr

161 mi/hr

55.5 mi/hr

75.2 mi/hr

62.1 mi/hr

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.)

2.21

100 mi/hr

161 mi/hr

55.5 mi/hr

75.2 mi/hr

62.1 mi/hr

The gas mileage of a compact car in Europe is km/hr. What is this in mi/hr? (Note: 1 mi = 5280 ft and 0.6214 mi = 1 km.)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.)

2.22

15 mi/gal

30 mi/gal

35 mi/gal

42 mi/gal

55 mi/gal

The gas mileage of a compact car in Europe is km/hr. What is this in mi/hr? (Note: 1 mi = 5280 ft and 0.6214 mi = 1 km.)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.)

2.22

15 mi/gal

30 mi/gal

35 mi/gal

42 mi/gal

55 mi/gal

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.)

2.23

$0.262

$1.01

$1.55

$2.33

$3.07

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.)

2.23

$0.262

$1.01

$1.55

$2.33

$3.07

What are the two important parts of a 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.)measurement?

2.24

The number and the unit

The number and the exponent

The number and the decimal

The decimal and exponent

What are the two important parts of a 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.)measurement?

2.24

The number and the unit

The number and the exponent

The number and the decimal

The decimal and exponent

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

2.25

Always with two decimal places

At the bottom of the meniscus

With all the digits from the glassware markings plus one estimated digit

All of the above

Two of the above

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

2.25

Always with two decimal places

At the bottom of the meniscus

With all the digits from the glassware markings plus one estimated digit

All of the above

Two of the above

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