Because that's how much it costs.
The petrol station buys the fuel from the wholesaler, who has in turn bought it from the distributor, who distributes it on behalf of the manufacturer. All these people place a markup on their buy price to calculate their sell price. Because you as the end user only buy a relatively tiny amount of the fuel, you can't see the relevance of the decimal value.
On the other hand, for companies dealing in millions of litres worth of fuel, .7 cents in each dollar can add up very quickly - .7 cents over one million litres is $7,000. This decimal value stays with the cost throughout the supply chain, and is handed to you in the end after the fact.
So, it's priced to a decimal point for everyone else involved, not with the end user in mind.
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Because it is a point that is used in the decimal system of counting. Decimal means based on ten.
100 is a number, not a decimal point.
'point' or 'and' because decimal ''point''
A decimal is a value, a decimal point separates the whole number from the fraction.EG 12.34 is a decimal, the point is the dot in the middle...a decimal is a group of number combined to make a number problem and a decimal point divides it so you wont get confusedEX: candy bar $ 1.50 without the decimal point $150
The decimal point was invented by John Napier.