Understanding Units of Length

What is the smallest unit of length mentioned?

• Nanometer

• Micrometer

• Millimeter

• Kilometer

How many times larger is a kilometer compared to a meter?

• 1 time

• 100 times

• 10 times

• 1000 times

To convert from a smaller unit to a larger unit, you should:

• Divide by 1000

• Subtract 1000

• Add 1000

• Multiply by 1000

To convert 6 millimeters to meters, you would need to:

• Divide by 1000

• Multiply by 1000

• Divide by 100

• Multiply by 100

What is 6 millimeters in micrometers?

• 6000 micrometers

• 600 micrometers

• 0.6 micrometers

• 60 micrometers

What is the approximate size of a virus?

• 1 nanometer

• 100 nanometers

• 10 micrometers

• 100 micrometers

How many millimeters are in a centimeter?

• 0.1 millimeters

• 1000 millimeters

• 100 millimeters

• 10 millimeters

What is the conversion factor from centimeters to meters?

• Divide by 100

• Multiply by 10

• Divide by 10

• Multiply by 100

To convert 30 centimeters to millimeters, you multiply 30 by:

• 10

• 100

• 1000

• 0.1

How many nanometers are in 30 centimeters?

• 3 times 10 to the 9th nanometers

• 3 times 10 to the 8th nanometers

• 3 times 10 to the 7th nanometers

• 3 times 10 to the 6th nanometers