Write as power of ten ;

Mass per unit volume of a substance is called

Name the device used for measuring weight :

Express 0.084 as powers of ten with one figure before the decimal point .

Number of complete oscillations per second is called

What is the mass of 5 m³ of cement of density 3000 kg / m³ ?

Magnetic force is an example of

The simplest type  enables a length to be measured to 0.01 cm is

The force of gravity on a body is called

The way of writing numbers in  powers of ten is called