Week 2 PASS

Convert 1.52m to mm

• 152mm

• 1520mm

• 15.2mm

• 0.00152mm

Which of these unites are in the SI?

• A, K, g

• s, K, cm

• A, cd, s

• mol, g, cd

What are the SI units for Mass and Amount of substance?

• mol and J

• Kg and K

• kg and mol

• Ptt and cd

Which of the following prefixes mean ten?

• nano

• micro

• kilo

• deca

SI prefixes...

• take the place of the value x10^n

• get added in front of the unit

• make our lives easier

• can be ignored in calculations and final answer

What are significant figures?

• I don't know

• none

• digits which contributes to the precision of that number

• digits which cannot be written in the form of scientific notations

The SI system has _ base units

• 4

• 6

• 7

• 2

Which of the following prefixes is the LARGEST?

• nano

• micro

• milli

• pico

How many significant figures are there in 0.0204?

• 5

• 4

• 3

• 2

• 4020

• 402

• 0.000402

• 0.00402