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rewona [7]
3 years ago
9

Who used khipu, a system of recording numbers by tying knots on strings? A. Aztec B. Maya C. Inca

History
2 answers:
Crazy boy [7]3 years ago
8 0
The answer is c: Inca.
Papessa [141]3 years ago
7 0

It was the Inca who used this system.

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Please help ASAP 20 points used
Zielflug [23.3K]

Over the years of history, there have been several technological inventions that have improved the value of Human life. Some of these inventions dating as far back as 450CE are still in Use to this day.

Below you can read more about Technological inventions between 450CE  and 1600CE that are still impactful to this day.

<h3>Technological inventions between 450CE  and 1600CE</h3>

PAPER MONEY

Paper money is one of the most important inventions that is still useful to this that. The earliest known use of Paper money was during the Tang Dynasty.

 

 This invention came handy at a time carrying large sums of money was difficult and there was shortage of supply of metal.

Also people needed a central value to carry out Trade.

WINDMILLS

Windmill is yet another invention withing the time frame that is still relevant to this day.

    Windmill involves the  use of  wind to create energy. The first windmills were used to mill grain. The  Persians were known to be the first to invent a functional windmill in the 9th Century and this had 'sails' that rotated horizontally instead of vertically as we typically see today.

Learn more about technological inventions at brainly.com/question/24839581

#SPJ1

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