SI Units

How many liters are there in 26 ML?

• 350

• 3500

• 5.2

• 52

• 520

• 5200

How many seconds are there in 0.4 ms?

• 400

• 4000

• 1.26

• 12.6

• 126

• 1260

• 0.025

• 0.25

• 2.5

• 25

• 10 000

• 1000

• 100

• 10

A strand of DNA is 2.5 nm thick. A piece of paper is 0.1 mm thick. How many times thicker is a piece of paper than a strand of DNA?

• 400

• 4000

• 40 000

• 400 000

• 30 000 ng

• 3 000 ng

• 300 ng

• 30 ng