Free Printable Chapter 1 practice for exam

1.

Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.

a)

7.45 m

b)

7.447 m

c)

7.4 m

d)

7.5 m

2.

Solve. Round using SigFig math rules.
98.7°C - 97.25°C

a)

1°C

b)

1.4°C

c)

1.45°C

d)

1.450°C

3.

Solve. Round using SigFig math rules.
12.5-mL + 20.05-mL + 2.69-mL

a)

35-mL

b)

35.2-mL

c)

35.24-mL

d)

35.240-mL

4.

Solve & Round to Correct Sig Figs.
4.5 + 4.32 =

a)

8.8

b)

8.7

c)

8

d)

8.0

5.

Solve & Round to Correct Sig Figs.
4.5 x 2.34 =

a)

11

b)

10.52

c)

10.5

d)

10

6.

Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.

a)

4 m/s

b)

3.9 m/s

c)

3.90 m/s

d)

3.897 m/s

7.

Solve, and round using Sig Fig math rules:

12.5-mL + 20.05-mL + 2.69-mL

a)

35 mL

b)

35.2 mL

c)

35.24 mL

d)

35.240 mL

8.

Using correct sig figs, determine the density of an object with a mass of 10.0 grams and a volume of 5.0 mL.

a)

2.00 g/mL

b)

2.0 g/mL

c)

2 g/mL

d)

0.5 g/mL

9.

How many digits past the decimal should you report your answer with?

20.34 + 4.582 +3.2

a)

1

b)

3

c)

2

10.

How would you write the following number using scientific notation?

45,800,000 mL

a)

$45.8\ \times10^6$

b)

$4.58\ \times10^7\ mL$

c)

$4.58\ \times10^7$

d)

$.458\ \times10^8\ mL$

11.

How would you write the following number using scientific notation?

0.004506 mL

a)

$4.506\times10^{-3}$

b)

$4.506\ \times10^3\ mL$

c)

$4.506\ \times10^{-3}\ mL$

d)

$4.5\ \times\ 10^{-3}\ mL$

12.

Calculate the volume of metal with a mass of 56.7 grams and a density of 4.67 grams per milliliter.

a)

12.1413276231 mL

b)

12.1 mL

c)

12.1

d)

$264.789\ \frac{g^2}{mL}$

13.

How many sig. fig. are in the number below:
106.00

a)

2

b)

3

c)

4

d)

5

14.

How many sig. fig. are in the number below:
100.5

a)

1

b)

2

c)

3

d)

4

15.

How many sig. fig. are in the number below:
0.678

a)

1

b)

2

c)

3

d)

4

16.

How many sig. fig. are in the number below:
0.0005

a)

1

b)

2

c)

3

d)

4

17.

How many sig. fig. are in the number below:
705000

a)

2

b)

3

c)

5

d)

6

18.

How many sig figs are there?
100.00

a)

1

b)

3

c)

4

d)

5

19.

How many sig. fig. are in the number below:
106.00

a)

2

b)

3

c)

4

d)

5

20.

How many sig. fig. are in the number below:
0.007809

a)

3

b)

4

c)

5

d)

6

21.

How would you write 564,000,000 in scientific notation?

a)

5.64 x 10^-7

b)

5.64 x 10⁶

c)

5.64 x 10⁸

d)

56.4 x 10⁷

22.

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

a)

False

b)

True

23.

How do you write
1001
in scientific notation?

a)

1.0001 x 10⁴

b)

1.01 x 10⁵

c)

1.001 x 10³

d)

10.1 x 10³

24.

Express the following in scientific notation:
.000457

a)

457 x 10⁶

b)

457 x 10^-6

c)

4.57 x10⁴

d)

4.57 x 10^-4

25.

What is 7.0 x 10^-5in standard form?

a)

.0007

b)

.00007

c)

.000007

d)

.0000007

26.

How do you write
8.317 x 10⁶in standard form?

a)

8, 371, 000

b)

83, 170, 000

c)

837, 100

d)

8, 317, 000

27.

Put the following in scientific notation:
23,948

a)

23.948 x 10³

b)

2.3948 x 10⁴

c)

2.3948 x 10^-4

d)

0.23948 x 10⁵

28.

ROUND OFF THE FOLLOWING NUMBER TO 3 SD 34.3726

a)

34.3

b)

34.37

c)

34.4

d)

35.0

29.

ROUND OFF THE FOLLOWING NUMBER TO 3 SD 702.536

a)

703

b)

702.5

c)

702

d)

701

30.

ROUND OFF THE FOLLOWING NUMBER TO 3 SD 7548.96

a)

7550

b)

7600

c)

7549

d)

7540

31.

ROUND OFF THE FOLLOWING NUMBER TO 3 SD 0.06034

a)

0.0603

b)

0.06034

c)

0.0604

d)

0.060

32.

What is the first significant figure in 0.0457?

a)

4

b)

5

c)

0

d)

7

33.

What is 78.5 rounded to one significant figure?

a)

79

b)

78.5

c)

70

d)

80

34.

round to 2 decimal places 22.484

a)

22.49

b)

22.48

c)

22.40

d)

22.00

35.

Round off 509.96 to 4 significant figures.

a)

509.9

b)

509.0

c)

510.0

d)

510

36.

How many significant figures: 153.0 mL

a)

1

b)

2

c)

3

d)

4

37.

Round off 1,296,717 to 3 significant figures

a)

1,290,000

b)

1,296,000

c)

1,297,000

d)

1,300,000

38.

Solve. Round using SigFig math rules.
98.7°C - 97.25°C

a)

1°C

b)

1.4°C

c)

1.45°C

d)

1.450°C

39.

Find the sum 3.35 + 1.4 + 3.65

a)

8.9

b)

8.22

c)

8.43

d)

8.4

40.

Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.

a)

1.0 m²

b)

1.1 m²

c)

1.0947 m²

d)

1.09 m²

41.

Guess the number of sig figs in:

12 cakes

a)

1

b)

2

c)

12

d)

oo

42.

The prefix meaning 1000 is:

(a)

43.

The prefix meaning 100 is:

(a)

44.

The prefix meaning 10 is:

(a)

45.

The prefix meaning 1/10 is:

(a)

46.

The prefix with the scientific notation factor of 10⁶ is:

(a)

47.

The prefix with the scientific notation factor of 10^-2 is:

(a)

48.

The prefix with the scientific notation factor of 10^-3 is:

(a)

49.

The prefix with the scientific notation factor of 10^-6 is:

(a)

50.

The prefix with the scientific notation factor of 10^-9 is:

(a)

51.

Write as a conversion factor:

a car travels 5 km per 82.5 seconds

(a)

52.

240 cm = ___________ m

a)

2400

b)

24

c)

2.4

d)

0.24

53.

15.6 L = ___________ mL

a)

15,600

b)

156,000

c)

1,560,000

d)

15,600,000

54.

Convert 210 mm to cm

a)

2.1 cm

b)

21 cm

c)

210 cm

d)

2100 cm

55.

Which conversion factor would you use to convert from cm to inches?

a)

$\frac{1\ in}{2.54\ cm}$

b)

$\frac{2.54\ cm}{1\ in}$

c)

$\frac{2.54\ in}{1\ cm}$

56.

Convert 348 kilometers to miles

a)

560 mi

b)

216 mi

c)

348 mi

57.

In order to convert 25 km to miles using dimensional analysis, which conversion factor should be used?

a)

$\frac{1\ mi}{5280\ ft}$

b)

$\frac{1\ km}{0.62137\ mi}$

c)

$\frac{0.62137\ mi}{1\ km}$

58.

Convert 9.13 ounces to grams.

a)

0.322 g

b)

259 g

c)

0.00126 g

59.

Complete the statement:

5.0 cm/min = ______ m/day

(100 cm = 1 m)

a)

72

b)

840

c)

7.2

d)

5,040,000

60.

A bicycle has a speed of 6.00 m/s. What is its speed in km/h?

a)

21.6 km/h

b)

16.67 km/h

c)

2.16 km/h

d)

1.67 km/h

61.

How many gallons are in a pool that holds 758,000 Liters?

(1 gallon = 3.79 Liters)

a)

2.00 x 10⁵ gallons

b)

200,000. gallons

c)

200,000 gallons

d)

2 gallons

62.

Jackrabbits are capable of reaching speeds up to 40 miles per hour. How fast is this in feet per second? (Round to the nearest whole number.)

5,280 feet = 1 mile

a)

95 feet per second

b)

59 feet per second

c)

.45 feet per second

d)

40 feet per second

63.

The human esophagus us about 250 mm log. How long is that in inches? 1 in = 2.54 cm

a)

10.64 in

b)

9.84 in

c)

11.35 in

d)

8.84 in

64.

A bar of copper has a mass of 216g and a volume of 24 cm³. What is the density of copper?

a)

9 g/cm³

b)

5184 g/cm³

c)

.11 g/cm³

d)

322 mL

65.

Jack has a rock. The rock has a volume of 2cm³and a mass of 14g. What is the density of the rock?

a)

7 mL

b)

7 g/cm³

c)

28 g/cm³

d)

1/7 g/cm³

66.

Which liquid is the least dense?

a)

oil

b)

water

c)

syrup

67.

A cube has a side length of 4 cm and a mass of 128 g. What is its density?

volume of a cube= s*s*s where s is side

a)

0.5 g/cm $^3$

b)

32 g/cm $^3$

c)

2 g/cm $^3$

d)

512 g/cm $^3$

68.

If you have a density of 3 g/cm $^3$ and a volume of 4 cm $^3$ , what is the mass?

a)

7 g

b)

12 g

c)

1 g

d)

0.75 g

69.

Given a mass of 150 g and a density of 50 g/L, what is the volume?

a)

3 L

b)

0.03 L

c)

300 L

d)

0.3 L

70.

If you have a substance with a density of 0.8 g/cm $^3$ and a mass of 40 kg, what is its volume?

a)

32000 cm $^3$

b)

50000 cm $^3$

c)

50 cm $^3$

d)

320 cm $^3$

71.

Convert 72⁰F to Celsius (5/9 x (⁰F - 32))

a)

2.2⁰C

b)

222⁰C

c)

22.2⁰C

d)

161.6⁰C

72.

Convert 30°C to Fahrenheit (1.8 x ⁰C) + 32

a)

860°F

b)

86°F

c)

63.8°F

d)

56°F

73.

100 Celsius is ? Kelvin (K = Celsius + 273)

a)

173 K

b)

373K

c)

273 K

d)

0 K

74.

Convert 100°K to Fahrenheit, °C = 5/9 (°F-32), K = °C + 273

(hint convert to Celsius first, then Fahrenheit)

a)

-279

b)

-173

c)

-311

d)

-191

75.

Convert 300 K to ^oC

a)

27^oC

b)

0^oC

c)

-27^oC

d)

573^oC

76.

Convert 150 K to Fahrenheit

a)

-189

b)

-123

c)

423

d)

793

Chapter 1 practice for exam

Total questions: 76

Worksheet time: 4hrs 43mins

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