Significant Figures

How many sig figs are there?
27000000

• 2
• 5
• 8

How many sig figs are there?
0.00400

• 1
• 3
• 5
• 6

How many sig figs are there?
4000.

• 1
• 3
• 4

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

• 0.04 g/cm³
• 0.045 g/cm³
• 0.0454 g/cm³
• 0.05 g/cm³

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

• 4 m/s
• 3.9 m/s
• 3.90 m/s
• 3.897 m/s

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

• 7.45 m
• 7.447 m
• 7.4 m
• 7.5 m

Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.

• 10 cm³
• 11.1 cm³
• 11 cm³
• 11. cm³

What is 98.907 rounded to 1 significant figure?

• 98.9

• 90

• 100

• 100.

Round 1289 to three significant figures

• 1290

• 130

• 1300

• 129