MATERIALS: density and units

Density (definition and formula)

Density (definition and formula)

Mass per unit volume ρ=m/V (kg/m³)

Volume of a cylinder

πr_²l

Volume of a sphere

(4/3)πr³

Sig fig rule

Answers are given to the lowest sig fig in the question

Metric multiples table

Orders of magnitude

The power of 10 as a quantity, from 10^-17 to 10³⁰

SI unit for mass

kilogram, kg

SI unit for length

metre, m

SI unit for time

second, s

SI unit for electric current

ampere, A

SI unit for temperature

kelvin, K

SI unit for quantity of a substance

mole, mol

SI unit for luminous intensity

candela, cd