Chapter 3 Measurements Review

SI base unit for electric current:

• candela

• kilogram

• ampere

• mole

What quantity is measured by the mole?

• electric current

• luminous intensity

• mass

• amount of substance

A substance has a mass of 400 grams and a volume of 100 mL. What is the density in g/mL?

• 40000

• .25

• 4

• 40

How many significant digits: .0090 mL

• 1

• 2

• 3

• 4

How many significant digits: 100. g

• 1

• 2

• 3

• 4

How many sig figs allowed in the answer...Volume of a box with a length of 10 meters, width 456 meters, height 35 meters?

• 1

• 2

• 3

• 4

Standard notation of 6.5 x 10³

• 65

• 650

• 6500

• 65000

Standard notation of 7.8 x 10^-2

• .078

• .0780

• 78

• 780

Scientific notation of .009870

• 9.87 x 10³

• 9.87 x 10^-3

• 9.870 x 10³

• 9.870 x 10^-3

the SI scale for temperature

• absolute zero

• Kelvin temperature scale

• Celsius temperature scale

• Farenheit temperature scale