Significant figures

How many significant figures does the following number have: 0.002040

• 6

• 4

• 3

• 1

How many significant figures does the following number have: 100.00210

• 7

• 10

• 5

• 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

Round 1009 to three sig figs

• 100

• 101

• 1000

• 1010

What is the measurement 1052 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?

• 80

• 78.5

• 70

• 79

Determine the number of Significant Figures in 10.00-g

• 5

• 4

• 3

• 1

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

• 0.04 g/cm³

• 0.045g/cm³

• 0.0454 g/cm³

• 0.05 g/cm³

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

• 1.0 m²

• 1.1 m2

• 1.0947 m2

• 1.095 m2