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As far back as folk needed to count things - the number of sheep, the number of bottles of oil etc.
The simplest counting systems are still seen today, for example, the number of kills a pilot has are shown as several glyphs representing planes.
The quality of consumer products is commonly rated using a star system to indicate the performance, and thus allow different products to be compared.
The Babylonians formalized this into cuneiform marks, and from this start, written language developed. The Hindi gave us zero (meaning 'leave a space'), then borrowed by the Arabs who gave it the name cipher.
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Where was rational numbers first used?
Most probably way back in pre-history.
What is this triangle 78 42?
78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.
How can prime numbers be used in your everyday life?
Prime numbers are used to find the LCM of numbers Prime numbers are used to find the HCF of numbers Prime numbers are used to simplify fractions Prime numbers are used to find the LCD of fractions
How do you used real numbers in your real life?
numbers are used in every day life such as how old are you? whats 2+2? <forget that> if your talkin about real number as in |-26| = 26 then yeah forget it. I think that real numbers would be used in things like how far are you away from something for example you wouldn't need to know if you are - amount away or + just that you are a certain distance.
What do serial numbers on the back of a watch mean?
The serial numbers on the back of a watch are there for the customer to know that the watch is real. The serial numbers can be looked up at the retailers.
