Free Printable Sig Figs & DA

1.

How many significant figures does the following number have?
0.00345

a)

6

b)

5

c)

3

d)

Ambiguous: 3,4,5, or 6

2.

How many significant figures does the following number have: 0.00204

a)

6

b)

4

c)

3

d)

2

3.

How many significant figures does the following number have: 100.00210

a)

7

b)

8

c)

10

d)

Ambiguous: 7 or 8

4.

Solve and give your answer with the correct number of significant figures
24.28 + 12.5

a)

3.687 x 10¹

b)

36.8

c)

37

d)

3.70x10¹

5.

Solve and give your answer with the correct number of significant figures
1421-34

a)

1.39x10³

b)

1387

c)

1390

d)

1400

6.

Round 0.658 to 1 significant figure:

a)

0

b)

0.66

c)

0.7

d)

0.658

7.

Round 0.010229 to three significant figures:

a)

0.010

b)

1020

c)

0.0102

d)

0.01023

8.

Round 1047.78 to three significant figures:

a)

104

b)

105

c)

1050

d)

1050.00

9.

Round 375.6523 to four significant figures:

a)

375.0

b)

375.6523

c)

375.7

d)

375.6

10.

How many significant figures are in the number? 0.003068 m

a)

6

b)

3

c)

4

d)

7

11.

How many significant figures does the following number have: 100.00210

a)

7

b)

5

c)

10

d)

8

12.

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

13.

Solve. Round using SigFig math rules.

103 cm x 11 cm

a)

11 cm²

b)

1100 cm²

c)

1130 cm²

d)

1133 cm²

14.

Solve. Round using SigFig math rules.

1.3562 mL / 14.32 g

a)

0.094 mL/g

b)

0.0947 mL/g

c)

0.094706 mL/g

d)

0.09471 mL/g

15.

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

a)

1.0 m²

b)

1.1 m²

c)

1.0947 m²

d)

1.095 m²

16.

Calculate 923 g ÷ 20312 cm³ and give your answer with the appropriate number of significant figures.

a)

0.04 g/cm³

b)

0.045 g/cm³

c)

0.0454 g/cm³

d)

4 x 10^-2 g/cm³

17.

Solve and give your answer with the correct number of significant figures
24.28 + 12.5

a)

3.687 x 10¹

b)

36.8

c)

37

d)

3.70x10¹

18.

calculate the following to the correct number of sig figs.
0.00401 x 2.00 x 501

a)

4.02

b)

4

c)

4.0

d)

4.0180

19.

How many sig figs are there?
100.00

a)

1

b)

3

c)

4

d)

5

20.

How would you record measurement A?

a)

7.8

b)

7.82

c)

7.825

d)

7.90

21.

What is the volume shown in this graduated cyclinder?

a)

4.30 mL

b)

4.35 mL

c)

4.4 mL

d)

4.40 mL

22.

What is the volume shown in this graduated cyclinder?

a)

56 mL

b)

60 mL

c)

57.0 mL

d)

56.0 mL

23.

What is the density of an object that has a mass of 5123.23 g and measures 729 $cm^3$ ?

a)

7.0 $\frac{g}{cm^3}$

b)

7.02 $\frac{g}{cm^3}$

c)

7 $\frac{g}{cm^3}$

d)

0.14 $\frac{g}{cm^3}$

24.

Change from standard form to scientific notation: 0.000398

a)

39.8 x 10^-5

b)

3.98 x 10^-5

c)

3.98 x 10^-4

d)

39.8 x 10^-6

25.

Try to change the number back to standard form: 6.79 x 10⁴

a)

679,000

b)

6,790

c)

67,900

d)

6,790,000

26.

How would you write -5.6 x 10^-3 in standard form?

a)

0.0056

b)

-5,600

c)

0.00056

d)

-0.0056

27.

Light travels at a rate of 186,000 miles per second. Write this number in scientific notation.

a)

1.86 x 10⁵

b)

1.86 x 10⁴

c)

18.6 x 10⁴

d)

186 x 10³

28.

Try to change the number back to standard form: 3.97 x 10^-2

a)

0.000397

b)

0.0397

c)

0.0000397

d)

0.397

29.

The closest galaxy to our own is over 2,500,000 light years away. Write this number is scientific notation.

a)

2.5 x 10⁷

b)

.25 x 10⁷

c)

25 x 10⁵

d)

2.5 x 10⁶

30.

Express 230. in proper scientific notation.

a)

2.34 x 10²

b)

2.3 x 10²

c)

2.30 x 10²

d)

2.30 x $10^3$

31.

Express 2.30 x $10^2$ in standard form.

a)

230

b)

23

c)

2.3

d)

230.

32.

Express 2.30 x $10^2$ in standard form.

a)

230

b)

23

c)

2.3

d)

230.

33.

Express 8.0 x $10^5$ in standard form.

a)

800000

b)

80000

c)

8000

d)

$8\overline{0}0000$

34.

Record the following measurements using correct number of sig figs and units.

a)

26.0 cm

b)

26.7 mm

c)

26.7 cm

d)

26.73 cm

35.

During class, students measured the length of a shelf. Their answer was 12 cm. The actual measurement was 14.25 cm. What was their percent error?

a)

15.79%

b)

18%

c)

16%

d)

18.75%

36.

Convert: 6.23 kg = ? lb

a)

13.1 lb

b)

13.7 lb

c)

13.706

d)

13.71

37.

Convert: 0.98 L = ? mL

a)

9.8 x $10^2$ mL

b)

98 mL

c)

980. mL

d)

0.98 L

38.

Convert: 120 dg = ? kg

a)

120

b)

0.12

c)

0.012

d)

0.0120

39.

Convert: 0.0224 L = ? $cm^3$

a)

22.4

b)

22.40

c)

240

d)

2.24

40.

Convert: 7.26 cm = ? miles

a)

0.0000451

b)

0.0000726

c)

0.0000451112

d)

7.26 x $10^{-5}$

41.

Convert: 100. km/L = ? miles/gallon

a)

203

b)

235

c)

200

d)

235.03

42.

Convert: 386400 cm = ? miles

a)

240

b)

284

c)

240.0

d)

384.2

43.

Convert: 2.5 pints = ? mL

a)

1182.5

b)

1200

c)

1100

d)

1180

Sig Figs & DA

Total questions: 43

Worksheet time: 11hrs 45mins

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