Significant Figures Flashcards by Will Miller

Q

Significant Figures in a number consist of…

A

The known digits (figures) of a number plus one estimated digit (figure).

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Is the 0 in 9.04 significant?

A

Yes

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Is the 0 in 0.46 cm significant?

A

No

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Is the 0 in 11.30 cm significant?

A

Yes

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Are the 0s in 1600 ft significant?

A

No

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

1.60 x 10^3 ft

A

3

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

0.0420 cm

A

3

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

5.320 in

A

4

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

10 lb

A

1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

0.020 ml

A

2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

2403 ft

A

4

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

80.5300 m

A

6

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

200. g

A

3

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures does the following number have?

2.4 x 10^3 kg

A

2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round 10.324578532743 to the nearest 10th.

A

10.3

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round 107.46 to the nearest 10th.

A

107.5

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round 33.51 to the nearest whole number.

A

34

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round 31.509 to the nearest whole number.

A

32

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round 32.509 to the nearest whole number.

A

32

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round the following to 3 significant figures:

3.478 m

A

3.48

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round the following to 3 significant figures:

4.8055 cm

A

4.81 cm

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round the following to 3 significant figures:

5.333 g

A

5.33 g

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Round the following to 3 significant figures:

7.999 in

A

8.00 in

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How many significant figures would the product of 0.031 and 1365?

A

2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

What is the product of 2.1 cm and 3.24 cm to the correct number of significant figures?

6.8 cm^2

What is the product of 10.2 cm, 8.24 cm, and 1.8 cm to the correct number of significant figures?

150 cm^3

How many significant figures would the quotient of 528 and 0.14 contain?

2

Calculate 20.45/2.4 to the correct number of significant figures?

8.5

Add 42.56 g + 39.460 g + 4.1 g to the correct significant figures.

86.1 g

Calculate the sum of 211,420 and 11.456432 to the correct number of significant figures.

211,430

What is the average of 12.523 g, 12.497 g, and 12.515 g to the correct number of significant figures?

12.512 g

Give the number of significant figures in the following number: 402 m

3

Give the number of significant figures in the following number: 0.00420 g

3

Give the number of significant figures in the following number: 5.1 x 10^4 kg

2

Give the number of significant figures in the following number: 78,323.01 g

7

Give the number of significant figures in the following number: 34.20 lbs

4

Give the number of significant figures in the following number: 3200 liters

2

Give the number of significant figures in the following number: 0.48 m

2

Give the number of significant figures in the following number: 1.10 torr

3

Give the number of significant figures in the following number: 0.03 sec

1

Give the number of significant figures in the following number: 0.0300 ft

3

Give the number of significant figures in the following number: 1400.0 m

5

Give the number of significant figures in the following number: 760 mm Hg

2

Multiply the following, observing significant figure rules: | 17 m x 324 m

5500 m^2

Multiply the following, observing significant figure rules: | 0.005 in x 8888 in

40 in^2

Multiply the following, observing significant figure rules: | 0.424 in x .090 in

.038 in^2

Multiply the following, observing significant figure rules: | 1.7 mm x 4294 mm

7300 mm^2

Multiply the following, observing significant figure rules: | 0.050 m x 102 m

5.1 m^2

Multiply the following, observing significant figure rules: | 324000 cm x 12.00 cm

3,890,000 cm^2

Divide the following, observing significant figure rules: | 23.4 m / 0.50 sec

47 m/sec

Divide the following, observing significant figure rules: | 0.960 g / 1.51 moles

0.636 g/mol

Divide the following, observing significant figure rules: | 12 miles / 3.20 hours

3.8 mi/h

Divide the following, observing significant figure rules: | 1200 m / 12.12 sec

99 m/sec

Add the following, observing significant figure rules: 3. 40 m 0. 022 m 0. 5 m

3.9 m

Add the following, observing significant figure rules: 102. 45 g 2. 44 g 1. 9999 g

106.89 g

Add the following, observing significant figure rules: 102. cm 3. 14 cm 5. 9 cm

111 cm

Subtract the following, observing significant figure rules: 42. 306 m 1. 22 m

41.09 m

Subtract the following, observing significant figure rules: 14. 33 g 3. 468 g

10.86 g

Subtract the following, observing significant figure rules: 234. 1 cm 62. 04 cm

172.1 cm

Work the following problem, observing significant figure rules: Three determinations were made of the percentage of oxygen in mercuric oxide. The results were 7.40%, 7.43%, and 7.35%. What was the average percentage?

7.39%

Work the following problem, observing significant figure rules: A rectangular solid measures 13.4 cm x 11.0 cm x 2.2 cm. Calculate the volume of the solid.

320 cm^3

Work the following problem, observing significant figure rules: If the density of mercury is 13.6 g/ml, what is the mass in grams of 3426 ml of the liquid?

46600 g

Work the following problem, observing significant figure rules: A copper cylinder, 12.0 cm in radius, is 44.0 cm long. If the density of copper is 8.90 g/cm^3, calculate the mass in grams of the cylinder. (Assume pi is 3.14)

1770 g