a rule has a different name then a ruler
A normal metric ruler!
On a 30cm ruler you can't get it exactly, you need a higher tech ruler which has the markings of 2.54cm. If you have a normal ruler you have to estimate.
£3.50 for a steel one
30 cm or 300 mm onstandard metric school ruler
30 cm or 300 mm onstandard metric school ruler
One decimetre is equal to 10 centimetres. Therefore, there are three decimetres on a normal 30 centimetre ruler.
A normal ruler from England measures 30cm and 12inches, or 15cm and 5 inches depending on how big you want it.
Price is the value or worth of a product or service and when you say price then it vehicle the normal price of a product or a service which a company charges. On the other hand, market price is the price of a product or service which is contained by a marketplace and is resulted through market efficiency, equilibrium and normal expectations. Normal price can be lesser, equal or greater than the market price. If most of the companies in an industry charge open market prices for the products or services then competition is high in that specific industry.
The normal size of a ruler should be 12 inches or 30cm. (30 cm=300 mm) (1 in=25 mm)
The normal size of a ruler should be 12 inches or 30cm. (30 cm=300 mm) (1 in=25 mm)
Hades with the God of the Dead and the ruler of the Underworld.