Chem Unit1 2nd

Write the number in scientific notation:

1400

Write the number in scientific notation:

0.000 45

How many significant figures does this number have?

0.00450

• 5 sig figs

• 6 sig figs

• 2 sig figs

• 3 sig figs

How many significant figures does this number have?

1000.00

• 5 sig figs

• 6 sig figs

• 2 sig figs

• 3 sig figs

Complete the mathematical function and make sure to round your answer in significant figures.

1.20 + 1.989

• 3.19

• 3.189

• 3.2

• 3.20

Complete the mathematical function and make sure to round your answer in significant figures.

3.00 x 4.0

• 12

• 12.0

• 10

• 12.00

Convert 1.03 L to mL

• 103 L

• 1030 L

• 10.3 L

• 10300 L

Convert 459.2 km to m

• 459200 m

• 0.4592 m

• 45920 m

• 45.92 m

Convert 10.0 kg to dg

• 100 000 dg

• 10 000 dg

• 100 dg

• 1 000 dg

According to the SI system, mass is measured in...

• kilograms

• meters

• liters

• pounds