AP Significant Figures

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

How many significant figures does the following number have: 100.00210

• 7
• 5
• 10
• 8

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

What is the measurement 1042 Liters rounded to 2 significant figures?

• 1040 L

• 1.1 x 10³ L

• 1.0 x 10³ L

• 1050 L

What is 78.5 rounded to one significant figure?

• 79
• 78.5
• 70
• 80

How many Significant Figures in the number below?
4.56 x 10³

• 5
• 4
• 6
• 3

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Solve & Round to Correct Sig Figs.

1145.678 + 4.56 + 623.9789 + 78.1 = ?

• 1852.3

• 2000

• 1952.3

• 1853.5

Solve & Round to Correct Sig Figs.
100 / 2.0 = 

• 50
• 50.
• 50.0
• 50.00