Question

. Як ви вважаєте, чому ми користуємося 10 цифрами(Баллов: 1) давнім людям не було потреби рахувати більше 10 10- це кругле число у давніх людей в році було 10 місяців о у людини на руках 10 пальців СРОЧНО

Answer 1

Ответ:

тому що в них лише 10 пальців, плюс не треба багато рахувати

Объяснение:

на 2 руках і ногах є 20 пальців. цього вистарчало

Answer 2

Why do we use the decimal system with 10 digits?

The use of the decimal system with 10 digits (0-9) can be attributed to a combination of historical, cultural, and practical reasons. The decimal system is believed to have originated in ancient India and was later adopted and popularized by various civilizations, including the Arabic and European cultures.

Historical and Cultural Factors: 1. Ancient Indian Origins: The decimal system is believed to have originated in ancient India around the 2nd century BCE. The Indian mathematician Aryabhata is credited with introducing the concept of zero and the decimal place-value system. 2. Spread through Trade and Cultural Exchange: The decimal system spread to other regions through trade and cultural exchange. Arab scholars played a significant role in preserving and further developing the decimal system during the Islamic Golden Age. 3. Adoption in Europe: The decimal system was introduced to Europe during the Middle Ages through translations of Arabic mathematical texts. It gradually gained acceptance and became the dominant numerical system.

Practical Considerations: 1. Finger Counting: One practical reason for using the decimal system is that humans have ten fingers, which makes counting in base 10 intuitive and convenient. 2. Ease of Calculation: The decimal system allows for easy calculations and arithmetic operations due to its simple and consistent structure. Each digit's value is determined by its position in the number, making calculations straightforward. 3. Compatibility with Other Systems: The decimal system is compatible with other commonly used systems, such as the metric system, which is based on powers of ten. This compatibility simplifies conversions and calculations in various fields, including science, engineering, and finance.

In summary, the use of the decimal system with 10 digits can be attributed to its historical origins in ancient India, its spread through trade and cultural exchange, and its practical advantages such as finger counting, ease of calculation, and compatibility with other systems.