Which SI unit is used to measure time?

• K

• s

• mol

• N

Which SI unit is used to measure amount of a substance?

• K

• kg

• mol

• kg/m³

Which of the following is the correct prefix for 10³?

• kilo-

• milli-

• deca-

• hecto-

Which of the following is the correct prefix for 10⁶?

• kilo-

• giga-

• mega-

• micro-

Which of the following is the correct prefix for 10^-6?

• milli-

• nano-

• mega-

• micro-

Which of the following is the correct prefix for 10^-2?

• milli-

• centi-

• deca-

• hecto-

Which of the following is the correct prefix for 10⁹?

• nano-

• micro-

• mega-

• giga-

Which of the following is the correct prefix for 10^-9?

• nano-

• micro-

• mega-

• giga-

The metric prefix " deka" means __?__

• one tenth  (0.1)
• ten  (10)
• one hundred  (100)
• one thousandth  (0.001)

What prefix is represented by the following symbol: m

• hecto

• kilo

• milli

• mega