Significant Figures

Non-zero digits are __________ significant

• always

• never

• sometimes

Zeros that are between non- zeros are __________ significant

• always

• never

• sometimes

Zeros at the end of a number are __________ significant

• always

• never

• sometimes

Zeros at the beginning of a number are __________ significant

• always

• never

• sometimes

Identify the number of sig figs in the following measurement:

2009 g

• 1

• 2

• 3

• 4

Identify the number of sig figs in the following measurement:

0.230 cL

• 1

• 2

• 3

• 4

Identify the number of sig figs in the following measurement:

0.0045 km

• 1

• 2

• 3

• 4

Identify the number of sig figs in the following measurement:

600 L

• 1

• 2

• 3

• 4

Identify the number of sig figs in the following measurement:

3000. mm

• 1

• 2

• 3

• 4

Round to 3 significant figures:

3.7821