Chem Review for Test

How many significant figures does the following number have: 0.002040

• 6

• 3

• 4

• 2

How many significant figures does the following number have: 0.998005

• 9

• 6

• 10

• 5

How many significant figures does the following number have: 100.00210

• 7

• 10

• 5

• 8

How many significant figures does the following number have: 100.00210

• 7

• 10

• 5

• 8

Round 1009 to three sig figs

• 100

• 1010

• 101

• 1000

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

• 1040

• 1.1 x 10^3

• 1.0 x 10^3

• 1050

Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.

• 11

• 11.00

• 11.0

• 11.000

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

• 7.45

• 7.4

• 7.447

• 7.5

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

• 1.0

• 1.1

• 1.0947

• 1.09

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

• .04

• 0.045

• 0.0454

• 4 x 10^-2