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Pre-historic humanoids who discovered that they had 10 digits on their hands.

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8y ago

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Who invented the Roman numbers?

The history of Roman numerals is not well documented and written accounts are contradictory. It is likely that counting began on the fingers and that is why we count in tens


Who invented counting?

The last prophet HAZRAT MUHAMMAD MUSTAFA (PEACE BE UPON HIM) INVENTED COUNTING


What is the common mulitiplys of 5 and 2?

10,20,30,40,50,60,70 (keep counting by tens)


How would you explain the word decimal to little kids?

It refers to counting in units and tens, multiples of tens (such as hundreds, thousands and so on), and fractions of tens (such as tenths, hundredths and so on).


What does deci-as in decimal mean?

It refers to ten. The decimal system is based on counting in tens.


Did romam's invent Roman numerals?

No they didn't, it was the Etruscans that invented this method of counting by symbols. No they didn't, it was the Etruscans that invented this method of counting by symbols.


Which dec word means counting by tens?

The word you're looking for is "decade." It refers to a period of ten years, but in a broader sense, it can also imply counting or grouping by tens. The prefix "deca-" originates from the Greek word "dekas," meaning ten.


How do you spell 27 in welsh?

dauddeg saith (decimal system, i.e. counting by tens)orsaith ar hugain (vigesimal system, i.e. counting by twenties)


What does deci mean in decimal?

Deci means ten. Our numeral system is based on the counting of tens.


Who invented the first counting system?

Babylonians


Who invented the counting board?

Mr countingboard


When was the first counting machine invented in?

1925