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HC02 Sig Fig Calculations Concepts

Total questions: 45

Worksheet time: 28mins

Name
Class
Date
1.

Multiplication or Division

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

2.

addition or subtraction

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

3.

addition or subtraction and multiplication or division

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

4.

1.00 mm + 2.0 mm =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

5.

2.0 m + 3.0 m =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

6.

4.0 g – 2.00 g =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

7.

10.0 mg –1.00 mg =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

8.

2.0 cm • 3.00 cm =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

9.

6.00 m ÷ 3.0 s =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

10.

10.000g ÷ 2.00 mL =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

11.

5.0 g/mL x 2.00 mL =

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

12.

 2.0 gmL−1.50 gml1.50 gmL=\frac{2.0\ \frac{g}{mL}-1.50\ \frac{g}{ml}}{1.50\ \frac{g}{mL}}=  

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

13.

 (12.00 g56.998%100%)+(13.00g 43.002%100%)=\left(12.00\ g\frac{56.998\%}{100\%}\right)+\left(13.00g\ \frac{43.002\%}{100\%}\right)=  

Which sig. fig. rule?

a)

least number of decimal places

b)

least number of significant figures

c)

both rules

14.

1.00 mm + 2.0 mm =

The final answer will be rounded to

a)

2 significant figures

b)

3 significant figures

c)

2 decimal places to the right of the decimal point

d)

1 decimal place to the right of the decimal point

15.

1.0 mm + 2.0 mm =

The final answer will be rounded to

a)

2 significant figures

b)

3 significant figures

c)

2 decimal places to the right of the decimal point

d)

1 decimal place to the right of the decimal point

16.

1.000 mm + 2.00 mm =

The final answer will be rounded to

a)

4 significant figures

b)

3 significant figures

c)

2 decimal places to the right of the decimal point

d)

3 decimal place to the right of the decimal point

17.

1.00 mm + 2.00 mm =

The final answer will be rounded to

a)

4 significant figures

b)

3 significant figures

c)

2 decimal places to the right of the decimal point

d)

3 decimal place to the right of the decimal point

18.

10.0 mg –1.00 mg =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

19.

10.00 mg –1.00 mg =

The final answer will be rounded to

a)

3 significant figures

b)

4 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

20.

10.00 mg –1.000 mg =

The final answer will be rounded to

a)

3 significant figures

b)

4 significant figures

c)

3 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

21.

10.0 mg –1.0 mg =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

22.

2.0 cm • 3.0 cm =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

23.

2.0 cm • 3.00 cm =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

24.

2.00 cm • 3.00 cm =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

25.

2.00 cm • 3.000 cm =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

3 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

26.

10.0 g/ 2.0 mL =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

27.

10.0 g/ 2.00 mL =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

28.

10.00 g/ 2.00 mL =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

29.

10.00 g/ 2.0 mL =

The final answer will be rounded to

a)

3 significant figures

b)

2 significant figures

c)

1 decimal place to the right of the decimal point

d)

2 decimal places to the right of the decimal point

30.

1.0 + 2.00 = 3 = ??


What is the rounded answer?

(a)  

31.

1.00 + 2.00 = 3 = ??


What is the rounded answer?

(a)  

32.

1.0 + 2.0 = 3 = ??


What is the rounded answer?

(a)  

33.

1.000 + 2.00 = 3 = ??


What is the rounded answer?

(a)  

34.

6.000 – 2.00 = 4 = ??


What is the rounded answer?

(a)  

35.

6.00 – 2.00 = 4 = ??


What is the rounded answer?

(a)  

36.

6.0 – 2.00 = 4 = ??


What is the rounded answer?

(a)  

37.

6.00 – 2.0 = 4 = ??


What is the rounded answer?

(a)  

38.

11.0 • 10.0 = 111 = ??


What is the rounded answer?

(a)  

39.

11.0 • 10.00 = 111 = ??


What is the rounded answer?

(a)  

40.

11.00 • 10.00 = 111 = ??


What is the rounded answer?

(a)  

41.

11.00 • 10.000 = 111 = ??


What is the rounded answer?

(a)  

42.

225 ÷ 5.0 = 45 = ??


What is the rounded answer?

(a)  

43.

225 ÷ 5.00 = 45 = ??


What is the rounded answer?

(a)  

44.

225.0 ÷ 5.00 = 45 = ??


What is the rounded answer?

(a)  

45.

225.00 ÷ 5.000 = 45 = ??


What is the rounded answer?

(a)  

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