Significant Figures and Rounding

What is 78.5 rounded to one significant figure?

• 79

• 78.5

• 70

• 80

Round 0.010229 to four significant figures

• 1022

• 1023

• 0.01023

• 0.01022

What is 0.658 rounded to 1 significant figure?

• 0

• 0.66

• 0.7

• 0.658

Round 52689 to 3 significant figures.

• 526
• 527
• 52600
• 52700

How many significant figures: 216 m

• 1
• 2
• 3
• 0

How many significant figures: 2016 m

• 1
• 2
• 3
• 4

How many significant figures: 4.20 cm

• 1
• 2
• 3
• 4

How many significant figures: 0.001 g

• 4
• 3
• 2
• 1

How many significant figures: 450 m

• 3

• 2

• 1

• 0

How many sig figs are there?
0.000008

• 1
• 2
• 6
• 7